Pain

qas: question: What type of stimuli causes pain?
answers: text: intense or damaging
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question: What type of feeling is pain?
answers: text: distressing
is_impossible: no

question: Why has defining pain been a challenge?
answers: text: complex, subjective phenomenon
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question: What organization's definition is widely used?
answers: text: The International Association for the Study of Pain
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question: In medical diagnosis, what is pain considered?
answers: text: a symptom
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question: What definition does the International Association for the Pain Study use for pain?
is_impossible: yes

question: What is pain in complex diagnosis?
is_impossible: yes

question: What is the National Association  for the Study of Pain's definition for pain?
is_impossible: yes

question: What is an intense phenomenon? 
is_impossible: yes

question: How many classes of pain does J. Woolf Clifford suggest?
is_impossible: yes

question: Some contradictory reviews of 13 high quality studies found actual what?
is_impossible: yes

question: What system did Woolf J. Clifford criticize? 
is_impossible: yes
context: Pain is a distressing feeling often caused by intense or damaging stimuli, such as stubbing a toe, burning a finger, putting alcohol on a cut, and bumping the "funny bone". Because it is a complex, subjective phenomenon, defining pain has been a challenge. The International Association for the Study of Pain's widely used definition states: "Pain is an unpleasant sensory and emotional experience associated with actual or potential tissue damage, or described in terms of such damage." In medical diagnosis, pain is a symptom.

qas: question: What is the most common reason people go to the doctor in first world countries?
answers: text: Pain
is_impossible: no

question: How can pain effect a person's quality of life and general functioning?
answers: text: interfere
is_impossible: no

question: Excitement and distraction are what type of factors which affect pain's intensity?
answers: text: Psychological
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question: What has pain sometimes been used as an argument to allow terminally ill patients the right to do?
answers: text: end their lives
is_impossible: no

question: What is a developed symptom in most medical conditions?
is_impossible: yes

question: What are social suggestion, hypnotic excitement and distraction?
is_impossible: yes

question: What has been used in argument for patient-assisted suicide?
is_impossible: yes

question: What is the most common reason for physician euthanasia? 
is_impossible: yes

question: What do most people with congenital insensitivity to pain have five of?
is_impossible: yes

question: What is the definition Margo McCaffery gave for pain in 1986?
is_impossible: yes

question: What may happen with intact body parts if there is continuous pain for a long period?
is_impossible: yes
context: Pain is the most common reason for physician consultation in most developed countries. It is a major symptom in many medical conditions, and can interfere with a person's quality of life and general functioning. Psychological factors such as social support, hypnotic suggestion, excitement, or distraction can significantly affect pain's intensity or unpleasantness. In some arguments put forth in physician-assisted suicide or euthanasia debates, pain has been used as an argument to permit terminally ill patients to end their lives.

qas: question: What year did the IASP respond to the need to create a more useful system for describing pain?
answers: text: 1994
is_impossible: no

question: How many classes of pain does the IASP system note?
answers: text: 5
is_impossible: no

question: Who has criticized the IASP's system?
answers: text: Clifford J. Woolf and others
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question: What do some people feel the IASP's system is inadequate for?
answers: text: guiding research and treatment
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question: How many classes of research does Woolf encourage?
answers: text: three
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question: What did the ISAP do in 1949?
is_impossible: yes

question: How many classes of pain does J. Woolf Clifford suggest?
is_impossible: yes

question: What is the definition of pathological dysfunction?
is_impossible: yes

question: What system did Woolf J. Clifford criticize? 
is_impossible: yes

question: What was needed in 1949?
is_impossible: yes

question: What is red flag supernatural stimuli?
is_impossible: yes

question: Where is anesthetic saline injected? 
is_impossible: yes

question: What is pain which resolves quickly called?
is_impossible: yes
context: In 1994, responding to the need for a more useful system for describing chronic pain, the International Association for the Study of Pain (IASP) classified pain according to specific characteristics: (1) region of the body involved (e.g. abdomen, lower limbs), (2) system whose dysfunction may be causing the pain (e.g., nervous, gastrointestinal), (3) duration and pattern of occurrence, (4) intensity and time since onset, and (5) etiology. However, this system has been criticized by Clifford J. Woolf and others as inadequate for guiding research and treatment. Woolf suggests three classes of pain : (1) nociceptive pain, (2) inflammatory pain which is associated with tissue damage and the infiltration of immune cells, and (3) pathological pain which is a disease state caused by damage to the nervous system or by its abnormal function (e.g. fibromyalgia, irritable bowel syndrome, tension type headache, etc.).

qas: question: What is usually temporary?
answers: text: Pain
is_impossible: no

question: How long does pain tend to last?
answers: text: only until the noxious stimulus is removed
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question: What is pain which resolves quickly called?
answers: text: acute
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question: What has the distinction between acute and chronic pain been arbitrarily measured by?
answers: text: interval of time from onset
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question: What might chronic pain sometimes be referred to as?
answers: text: cancer pain
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question: What types of transitory pain persist for years?
is_impossible: yes

question: What is acute pain lasting a long time called?
is_impossible: yes

question: How many months does acute pain last?
is_impossible: yes

question: What is a popular definition that used an arbitrarily fixed duration of time?
is_impossible: yes

question: What did Melzack and Casey theorize could influence the perception of the magnitude of pain?
is_impossible: yes

question: How much do some patients going through psychosurgery suffer from the sensation of pain?
is_impossible: yes

question: What is injected in small amounts into the soft tissue between vertebrae to produce local pain?
is_impossible: yes
context: Pain is usually transitory, lasting only until the noxious stimulus is removed or the underlying damage or pathology has healed, but some painful conditions, such as rheumatoid arthritis, peripheral neuropathy, cancer and idiopathic pain, may persist for years. Pain that lasts a long time is called chronic or persistent, and pain that resolves quickly is called acute. Traditionally, the distinction between acute and chronic pain has relied upon an arbitrary interval of time from onset; the two most commonly used markers being 3 months and 6 months since the onset of pain, though some theorists and researchers have placed the transition from acute to chronic pain at 12 months.:93 Others apply acute to pain that lasts less than 30 days, chronic to pain of more than six months' duration, and subacute to pain that lasts from one to six months. A popular alternative definition of chronic pain, involving no arbitrarily fixed durations, is "pain that extends beyond the expected period of healing". Chronic pain may be classified as cancer pain or else as benign.

qas: question: Stimulating nociceptors will induce which type of pain?
answers: text: Nociceptive
is_impossible: no

question: How is nociceptive pain classified?
answers: text: according to the mode of noxious stimulation
is_impossible: no

question: The thermal category of pain deals with which two temperature ranges?
answers: text: heat or cold
is_impossible: no

question: Crushing, tearing and shearing are examples of which type of pain?
answers: text: mechanical
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question: What is the term for nociceptors which respond to more than one type of stimuli?
answers: text: polymodal
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question: What type of pain is caused by stimulation of fiber?
is_impossible: yes

question: What are the common categories of modalities pain?
is_impossible: yes

question: What does mechanical pain refer to along with cold?
is_impossible: yes

question: What is injected in small amounts into the soft tissue between vertebrae to produce local pain?
is_impossible: yes

question: How many classes of chronic pain patients are there?
is_impossible: yes

question: What perspective towards pain are some people with perfectly normal nerves born with?
is_impossible: yes
context: Nociceptive pain is caused by stimulation of peripheral nerve fibers that respond to stimuli approaching or exceeding harmful intensity (nociceptors), and may be classified according to the mode of noxious stimulation. The most common categories are "thermal" (e.g. heat or cold), "mechanical" (e.g. crushing, tearing, shearing, etc.) and "chemical" (e.g. iodine in a cut or chemicals released during inflammation). Some nociceptors respond to more than one of these modalities and are consequently designated polymodal.

qas: question: What type of of pain is visceral a division of?
answers: text: Nociceptive
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question: What type of structures are sensitive to being stretched but not very sensitive to burning?
answers: text: Visceral
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question: What can visceral pain be accompanied by?
answers: text: nausea and vomiting
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question: Which type of pain is dull, aching and hard to pin-point?
answers: text: Deep somatic
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question: What type of pain are first degree burns classified as causing?
answers: text: Superficial
is_impossible: no

question: What categories is visceral pain divided into?
is_impossible: yes

question: What is deep visceral pain initiated by?
is_impossible: yes

question: What are some examples of deep visceral pain?
is_impossible: yes

question: What is superficial somatic pain initiated by?
is_impossible: yes

question: An animals physical and behavioral reactions may be inferred to indicate the presence of what?
is_impossible: yes

question: What does the International Association for Pain Study advocate for?
is_impossible: yes

question: What do stoic women do about pain?
is_impossible: yes
context: Nociceptive pain may also be divided into "visceral", "deep somatic" and "superficial somatic" pain. Visceral structures are highly sensitive to stretch, ischemia and inflammation, but relatively insensitive to other stimuli that normally evoke pain in other structures, such as burning and cutting. Visceral pain is diffuse, difficult to locate and often referred to a distant, usually superficial, structure. It may be accompanied by nausea and vomiting and may be described as sickening, deep, squeezing, and dull. Deep somatic pain is initiated by stimulation of nociceptors in ligaments, tendons, bones, blood vessels, fasciae and muscles, and is dull, aching, poorly-localized pain. Examples include sprains and broken bones. Superficial pain is initiated by activation of nociceptors in the skin or other superficial tissue, and is sharp, well-defined and clearly located. Examples of injuries that produce superficial somatic pain include minor wounds and minor (first degree) burns.

qas: question: What percentage of people who've had upper limbs amputated feel phantom pain?
answers: text: nearly 82%
is_impossible: no

question: What is the percentage of of phantom pain felt by lower limb amputees?
answers: text: 54%
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question: After six months, what percentage of people who had limbs amputated still felt pain in those limbs?
answers: text: 65 percent
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question: What may happen with intact body parts if there is continuous pain for a long period?
answers: text: become sensitized
is_impossible: no

question: What may accompany urination for amputees? 
answers: text: phantom limb pain
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question: What do 54% of upper limb amputees experience? 
is_impossible: yes

question: What do 82% of lower limb amputees experience?
is_impossible: yes

question: What did 72% of patients experience six days after amputation?
is_impossible: yes

question: What did 65% of patients report eight months after amputation?
is_impossible: yes

question: What did Descartes argue animals lack?
is_impossible: yes

question: What might some people of Mediterranean origin report as painful that people of this origin wouldn't?
is_impossible: yes

question: What type of topic is physical pain important in relation to many issues?
is_impossible: yes
context: The prevalence of phantom pain in upper limb amputees is nearly 82%, and in lower limb amputees is 54%. One study found that eight days after amputation, 72 percent of patients had phantom limb pain, and six months later, 65 percent reported it. Some amputees experience continuous pain that varies in intensity or quality; others experience several bouts a day, or it may occur only once every week or two. It is often described as shooting, crushing, burning or cramping. If the pain is continuous for a long period, parts of the intact body may become sensitized, so that touching them evokes pain in the phantom limb, or phantom limb pain may accompany urination or defecation.

qas: question: What happens when an anesthetic injection is directed into the nerves a limb stump?
answers: text: may relieve pain
is_impossible: no

question: How long can an anesthetic, at max, relieve pain for, despite wearing off in only hours?
answers: text: permanently
is_impossible: no

question: What is injected in small amounts into the soft tissue between vertebrae to produce local pain?
answers: text: hypertonic saline
is_impossible: no

question: Vibrating the stump of an amputee's limb can produce what in some patients?
answers: text: relief
is_impossible: no

question: What happens when an injection is placed into nerves?
is_impossible: yes

question: Where is anesthetic saline injected? 
is_impossible: yes

question: What does vigorous stimulation provide?
is_impossible: yes

question: What does electrical vibration provide?
is_impossible: yes

question: What did Descartes Rene theorize about pain?
is_impossible: yes

question: Corporal punishment is a form of what type of pain?
is_impossible: yes

question: What do some people feel the IASP's system is inadequate for?
is_impossible: yes
context: Local anesthetic injections into the nerves or sensitive areas of the stump may relieve pain for days, weeks, or sometimes permanently, despite the drug wearing off in a matter of hours; and small injections of hypertonic saline into the soft tissue between vertebrae produces local pain that radiates into the phantom limb for ten minutes or so and may be followed by hours, weeks or even longer of partial or total relief from phantom pain. Vigorous vibration or electrical stimulation of the stump, or current from electrodes surgically implanted onto the spinal cord, all produce relief in some patients.

qas: question: What is paraplegia?
answers: text: loss of sensation and voluntary motor control
is_impossible: no

question: What can cause paraplegia?
answers: text: serious spinal cord damage,
is_impossible: no

question: What is the initial phantom body pain sensation experienced by people with spinal cord damage?
answers: text: burning or tingling
is_impossible: no

question: The sensation of a knife twisting in the flesh is an example of what type of pain?
answers: text: phantom body
is_impossible: no

question: What is an inefficient treatment for chronic pain which rarely provides any sort of true relief?
answers: text: Surgical
is_impossible: no

question: What is the loss of voluntary sensation?
is_impossible: yes

question: How is phantom spinal pain initially described?
is_impossible: yes

question: What treatment provides lasting relief?
is_impossible: yes

question: What, when taken orally, can reduce total crying time of newsborns undergoing a painful procedure?
is_impossible: yes

question: What is MPI an abbreviation for?
is_impossible: yes

question: How many dimensions does the cultural experience of pain have?
is_impossible: yes
context: Paraplegia, the loss of sensation and voluntary motor control after serious spinal cord damage, may be accompanied by girdle pain at the level of the spinal cord damage, visceral pain evoked by a filling bladder or bowel, or, in five to ten per cent of paraplegics, phantom body pain in areas of complete sensory loss. This phantom body pain is initially described as burning or tingling but may evolve into severe crushing or pinching pain, or the sensation of fire running down the legs or of a knife twisting in the flesh. Onset may be immediate or may not occur until years after the disabling injury. Surgical treatment rarely provides lasting relief.

qas: question: When people have long-term pain, what do they frequently display?
answers: text: psychological disturbance
is_impossible: no

question: What triad are the inventory scales of hysteria, depression and hypochondriasis classified as?
answers: text: neurotic
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question: Clinical evidence indicates that neuroticism is caused by what?
answers: text: chronic pain
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question: If long-term pain can be relieved by therapy, what does a person's neurotic triad score do?
answers: text: fall
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question: What shows improvement in many patients once their pain has been resolved?
answers: text: Self-esteem
is_impossible: no

question: What do people with long-term psychological disturbance display?
is_impossible: yes

question: What are the scales of the Multiphasic Minnesota Personality Inventory?
is_impossible: yes

question: What is the triad neurotic?
is_impossible: yes

question: What is acute pain said to cause?
is_impossible: yes

question: What gene is responsible for coding for a sodium channel necessary for conducting pain nerve stimuli?
is_impossible: yes

question: What happens when an anesthetic injection is directed into the nerves a limb stump?
is_impossible: yes

question: What perspective towards pain are some people with perfectly normal nerves born with?
is_impossible: yes
context: People with long-term pain frequently display psychological disturbance, with elevated scores on the Minnesota Multiphasic Personality Inventory scales of hysteria, depression and hypochondriasis (the "neurotic triad"). Some investigators have argued that it is this neuroticism that causes acute pain to turn chronic, but clinical evidence points the other way, to chronic pain causing neuroticism. When long-term pain is relieved by therapeutic intervention, scores on the neurotic triad and anxiety fall, often to normal levels. Self-esteem, often low in chronic pain patients, also shows improvement once pain has resolved.

qas: question: What is the term for pain which is acute and note alleviated by normal pain management?
answers: text: Breakthrough
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question: How do cancer patients usually control their background pain?
answers: text: medications
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question: Who is breakthrough pain common among?
answers: text: cancer patients
is_impossible: no

question: What class of medication is fentanyl an example of?
answers: text: opioids
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question: What activity in relation to breakthrough pain requires heavy use of opiods?
answers: text: Management
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question: What is acute transitory pain also known as?
is_impossible: yes

question: What does management of acute transitory pain entail?
is_impossible: yes

question: How does acute transitory pain come on?
is_impossible: yes

question: How many studies in 2007 found evidence for the efficacy of hypnosis in the reduction of chronic pain?
is_impossible: yes

question: What does the experience of pain have throughout cultures?
is_impossible: yes

question: What did a January 2013 study find?
is_impossible: yes
context: Breakthrough pain is transitory acute pain that comes on suddenly and is not alleviated by the patient's normal pain management. It is common in cancer patients who often have background pain that is generally well-controlled by medications, but who also sometimes experience bouts of severe pain that from time to time "breaks through" the medication. The characteristics of breakthrough cancer pain vary from person to person and according to the cause. Management of breakthrough pain can entail intensive use of opioids, including fentanyl.

qas: question: IASP's definition of pain includes what aspect as an essential part?
answers: text: unpleasantness
is_impossible: no

question: What is it possible to induce which is, contrary to expectations, devoid of unpleasantness?
answers: text: a state described as intense pain
is_impossible: no

question: Which type of injection has caused patients to report they have pain but aren't bothered by it?
answers: text: morphine
is_impossible: no

question: How much do some patients going through psychosurgery suffer from the sensation of pain?
answers: text: little, or not at all
is_impossible: no

question: What perspective towards pain are some people with perfectly normal nerves born with?
answers: text: Indifference
is_impossible: no

question: What is an essential part of the AISP definition of pain?
is_impossible: yes

question: What is the result of psychosurgery injection?
is_impossible: yes

question: What is present from birth?
is_impossible: yes

question: The sensation of a knife twisting in the flesh is an example of what type of pain?
is_impossible: yes

question: How many dimensions does the cultural experience of pain have?
is_impossible: yes

question: What scale might a patient be asked to locate their pain on?
is_impossible: yes
context: Although unpleasantness is an essential part of the IASP definition of pain, it is possible to induce a state described as intense pain devoid of unpleasantness in some patients, with morphine injection or psychosurgery. Such patients report that they have pain but are not bothered by it; they recognize the sensation of pain but suffer little, or not at all. Indifference to pain can also rarely be present from birth; these people have normal nerves on medical investigations, and find pain unpleasant, but do not avoid repetition of the pain stimulus.

qas: question: An abnormality of the nervous system can render a small number of people insensitive to what?
answers: text: pain
is_impossible: no

question: What is it known as when someone is born without being able to feel pain because of their nervous system?
answers: text: congenital insensitivity to pain
is_impossible: no

question: What happens to children with congenital insensitivity to pain?
answers: text: repeated damage to their tongues, eyes, joints, skin, and muscles
is_impossible: no

question: What is the life expectancy for people who can't feel pain?
answers: text: reduced
is_impossible: no

question: What gene is responsible for coding for a sodium channel necessary for conducting pain nerve stimuli?
answers: text: SCN9A
is_impossible: no

question: What is an insensitivity to congenital pain?
is_impossible: yes

question: What do most people with congenital insensitivity to pain have five of?
is_impossible: yes

question: What is congenital dysautonomia a type of?
is_impossible: yes

question: What has been linked to mutations of the SCA9N gene?
is_impossible: yes

question: What does the SCA9N gene do?
is_impossible: yes

question: What does the International Association for Pain Study advocate for?
is_impossible: yes

question: Why were peripheral pattern theory and gate control theory left behind?
is_impossible: yes

question: What is pain which resolves quickly called?
is_impossible: yes
context: A much smaller number of people are insensitive to pain due to an inborn abnormality of the nervous system, known as "congenital insensitivity to pain". Children with this condition incur carelessly-repeated damage to their tongues, eyes, joints, skin, and muscles. Some die before adulthood, and others have a reduced life expectancy.[citation needed] Most people with congenital insensitivity to pain have one of five hereditary sensory and autonomic neuropathies (which includes familial dysautonomia and congenital insensitivity to pain with anhidrosis). These conditions feature decreased sensitivity to pain together with other neurological abnormalities, particularly of the autonomic nervous system. A very rare syndrome with isolated congenital insensitivity to pain has been linked with mutations in the SCN9A gene, which codes for a sodium channel (Nav1.7) necessary in conducting pain nerve stimuli.

qas: question: When was Descartes pontificating about his theories regarding pain?
answers: text: 1644
is_impossible: no

question: What did Descartes think pain was?
answers: text: a disturbance
is_impossible: no

question: What theory perceives pain as being a specific sensation?
answers: text: Specificity
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question: What state does the intensive theory conceive pain as being?
answers: text: emotional
is_impossible: no

question: Who migrated to the theory of specificity en mass?
answers: text: psychologists
is_impossible: no

question: Who theorized about pain in 1464?
is_impossible: yes

question: What did Descartes Rene theorize about pain?
is_impossible: yes

question: Who prefigured the 18th-century development of specificity theory?
is_impossible: yes

question: How was specificity regarded by the mid-1980s?
is_impossible: yes

question: What did Henry von Frey and Max Head make?
is_impossible: yes

question: What did an analysis of the 13 studies of pain treatment conclude about the effect of real treament versus sham treatments?
is_impossible: yes

question: What is Erb Wilhelm's intensive theory?
is_impossible: yes

question: What, when taken orally, can reduce total crying time of newsborns undergoing a painful procedure?
is_impossible: yes
context: In 1644, René Descartes theorized that pain was a disturbance that passed down along nerve fibers until the disturbance reached the brain, a development that transformed the perception of pain from a spiritual, mystical experience to a physical, mechanical sensation[citation needed]. Descartes's work, along with Avicenna's, prefigured the 19th-century development of specificity theory. Specificity theory saw pain as "a specific sensation, with its own sensory apparatus independent of touch and other senses". Another theory that came to prominence in the 18th and 19th centuries was intensive theory, which conceived of pain not as a unique sensory modality, but an emotional state produced by stronger than normal stimuli such as intense light, pressure or temperature. By the mid-1890s, specificity was backed mostly by physiologists and physicians, and the intensive theory was mostly backed by psychologists. However, after a series of clinical observations by Henry Head and experiments by Max von Frey, the psychologists migrated to specificity almost en masse, and by century's end, most textbooks on physiology and psychology were presenting pain specificity as fact.

qas: question: What year was peripheral pattern theory developed? 
answers: text: 1955
is_impossible: no

question: Whose suggestion prompted the development of peripheral pattern theory?
answers: text: John Paul Nafe
is_impossible: no

question: What did DC Sinclair and G Weddell propose a property of all skin fiber endings is?
answers: text: identical
is_impossible: no

question: What does the gate control theory specify the diameter of which is responsible for the amount of pain sensation?
answers: text: nerve fibers
is_impossible: no

question: Why were peripheral pattern theory and gate control theory left behind?
answers: text: superseded by more modern theories of pain
is_impossible: no

question: What did DC Sinclair develop in 1934?
is_impossible: yes

question: What did DC Weddell and G Sinclair develop? 
is_impossible: yes

question: What is the 1934 peripheral pattern theory based on?
is_impossible: yes

question: What article was introduced in 1956?
is_impossible: yes

question: What did Ronald Wall and Patrick Melzack introduce?
is_impossible: yes

question: What does stimuli generate to send signals along a nerve fiber?
is_impossible: yes

question: What did Descartes argue animals lack?
is_impossible: yes

question: An animals physical and behavioral reactions may be inferred to indicate the presence of what?
is_impossible: yes
context:  In 1955, DC Sinclair and G Weddell developed peripheral pattern theory, based on a 1934 suggestion by John Paul Nafe. They proposed that all skin fiber endings (with the exception of those innervating hair cells) are identical, and that pain is produced by intense stimulation of these fibers. Another 20th-century theory was gate control theory, introduced by Ronald Melzack and Patrick Wall in the 1965 Science article "Pain Mechanisms: A New Theory". The authors proposed that both thin (pain) and large diameter (touch, pressure, vibration) nerve fibers carry information from the site of injury to two destinations in the dorsal horn of the spinal cord, and that the more large fiber activity relative to thin fiber activity at the inhibitory cell, the less pain is felt. Both peripheral pattern theory and gate control theory have been superseded by more modern theories of pain[citation needed].

qas: question: How many dimensions did Melzack and Casey describe pain in terms of?
answers: text: three
is_impossible: no

question: The affective-motivational dimension of pain is characterized by what urge?
answers: text: urge to escape the unpleasantness
is_impossible: no

question: What did Melzack and Casey theorize could influence the perception of the magnitude of pain?
answers: text: cognitive activities
is_impossible: no

question: War game excitement appears to block what aspect of pain?
answers: text: dimensions
is_impossible: no

question: What did Melack's and Casey's paper end with a call towards?
answers: text: action
is_impossible: no

question: Who described pain in 1986?
is_impossible: yes

question: How many dimensions did Ronald Casey and Kenneth Melzack describe pain in?
is_impossible: yes

question: How many dimensions of pain are described by Ronald Casey and Kenneth Melzack?
is_impossible: yes

question: How does Ronald Casey's paper end?
is_impossible: yes

question: What happens when an anesthetic injection is directed into the nerves a limb stump?
is_impossible: yes

question: What are some examples of deep visceral pain?
is_impossible: yes

question: What is a person's health care report?
is_impossible: yes
context: In 1968 Ronald Melzack and Kenneth Casey described pain in terms of its three dimensions: "sensory-discriminative" (sense of the intensity, location, quality and duration of the pain), "affective-motivational" (unpleasantness and urge to escape the unpleasantness), and "cognitive-evaluative" (cognitions such as appraisal, cultural values, distraction and hypnotic suggestion). They theorized that pain intensity (the sensory discriminative dimension) and unpleasantness (the affective-motivational dimension) are not simply determined by the magnitude of the painful stimulus, but "higher" cognitive activities can influence perceived intensity and unpleasantness. Cognitive activities "may affect both sensory and affective experience or they may modify primarily the affective-motivational dimension. Thus, excitement in games or war appears to block both dimensions of pain, while suggestion and placebos may modulate the affective-motivational dimension and leave the sensory-discriminative dimension relatively undisturbed." (p. 432) The paper ends with a call to action: "Pain can be treated not only by trying to cut down the sensory input by anesthetic block, surgical intervention and the like, but also by influencing the motivational-affective and cognitive factors as well." (p. 435)

qas: question: What type of signal can be generated by intense enough stimulation of any sensory receptor?
answers: text: pain
is_impossible: no

question: What types of stimuli can't some sensory fibers differentiate between?
answers: text: noxious and non-noxious
is_impossible: no

question: What type of stimuli do nociceptors response to?
answers: text: noxious, high intensity
is_impossible: no

question: What does stimuli generate to send signals along a nerve fiber?
answers: text: currents
is_impossible: no

question: How many different types of ion channels have so far been identified?
answers: text: Dozens
is_impossible: no

question: Who came up with the intensive theory in 1784?
is_impossible: yes

question: What did Wilhelm Erb come up with in 1784?
is_impossible: yes

question: What is Erb Wilhelm's intensive theory?
is_impossible: yes

question: What happened to Erb Wilhelm's theory?
is_impossible: yes

question: How many different types of nociceptor chemical channels have been identified?
is_impossible: yes

question: What has the distinction between acute and chronic pain been arbitrarily measured by?
is_impossible: yes

question: How do first order neurons enter the spinal cord?
is_impossible: yes

question: How does pain inform attitudes deemed unacceptable?
is_impossible: yes
context: Wilhelm Erb's (1874) "intensive" theory, that a pain signal can be generated by intense enough stimulation of any sensory receptor, has been soundly disproved. Some sensory fibers do not differentiate between noxious and non-noxious stimuli, while others, nociceptors, respond only to noxious, high intensity stimuli. At the peripheral end of the nociceptor, noxious stimuli generate currents that, above a given threshold, begin to send signals along the nerve fiber to the spinal cord. The "specificity" (whether it responds to thermal, chemical or mechanical features of its environment) of a nociceptor is determined by which ion channels it expresses at its peripheral end. Dozens of different types of nociceptor ion channels have so far been identified, and their exact functions are still being determined.

qas: question: How does the pain signal travel from the periphery to the spinal cord?
answers: text: along an A-delta or C fiber
is_impossible: no

question: Which fiber is thicker?
answers: text: A-delta
is_impossible: no

question: What is the electrically insulting material that sheaths a-delta fiber?
answers: text: myelin
is_impossible: no

question: What is pain evoked by a-delta fibers described as?
answers: text: sharp and is felt first
is_impossible: no

question: How do first order neurons enter the spinal cord?
answers: text: via Lissauer's tract
is_impossible: no

question: What travels along a C-delta or A fiber?
is_impossible: yes

question: What is the name for an insulating material?
is_impossible: yes

question: What is evoked by the faster C deltas?
is_impossible: yes

question: What do A fibers carry?
is_impossible: yes

question: What is congenital dysautonomia a type of?
is_impossible: yes

question: What did an analysis of the 13 studies of pain treatment conclude about the effect of real treament versus sham treatments?
is_impossible: yes

question: What does the International Association for Pain Study believe about chronic pain?
is_impossible: yes
context: The pain signal travels from the periphery to the spinal cord along an A-delta or C fiber. Because the A-delta fiber is thicker than the C fiber, and is thinly sheathed in an electrically insulating material (myelin), it carries its signal faster (5–30 m/s) than the unmyelinated C fiber (0.5–2 m/s). Pain evoked by the (faster) A-delta fibers is described as sharp and is felt first. This is followed by a duller pain, often described as burning, carried by the C fibers. These first order neurons enter the spinal cord via Lissauer's tract.

qas: question: What are some spinal cord fibers exclusive to?
answers: text: A-delta
is_impossible: no

question: Pain signals travel first to what region of the brain?
answers: text: thalamus
is_impossible: no

question: What are dynamic range neurons?
answers: text: spinal cord fibers
is_impossible: no

question: Where does pain-related activity in the thalamus spread to? 
answers: text: the insular cortex
is_impossible: no

question: Pain which is distinctly located also activates what cortices? 
answers: text: somatosensory
is_impossible: no

question: Where do pain signals travel up to from the thalamus?
is_impossible: yes

question: What are dynamic wide range neurons?
is_impossible: yes

question: What signals do the A-delta fibers carry?
is_impossible: yes

question: What does the cingulate cortex anterior embody?
is_impossible: yes

question: Whose 1986 picture of pain is influential today?
is_impossible: yes

question: What type of signal can be generated by intense enough stimulation of any sensory receptor?
is_impossible: yes

question: What was found about the number of participants in 7 studies?
is_impossible: yes

question: How many classes of pain does the IASP system note?
is_impossible: yes
context: Spinal cord fibers dedicated to carrying A-delta fiber pain signals, and others that carry both A-delta and C fiber pain signals up the spinal cord to the thalamus in the brain have been identified. Other spinal cord fibers, known as wide dynamic range neurons, respond to A-delta and C fibers, but also to the large A-beta fibers that carry touch, pressure and vibration signals. Pain-related activity in the thalamus spreads to the insular cortex (thought to embody, among other things, the feeling that distinguishes pain from other homeostatic emotions such as itch and nausea) and anterior cingulate cortex (thought to embody, among other things, the motivational element of pain); and pain that is distinctly located also activates the primary and secondary somatosensory cortices. Melzack and Casey's 1968 picture of the dimensions of pain is as influential today as ever, firmly framing theory and guiding research in the functional neuroanatomy and psychology of pain.

qas: question: Who wrote "The Greatest Show on Earth: The Evidence for Evolution"?
answers: text: Richard Dawkins
is_impossible: no

question: What does Dawkins explain must compete with each other in living begins?
answers: text: drives
is_impossible: no

question: What would be the most fit creature?
answers: text: one whose pains are well balanced
is_impossible: no

question: What might the relative intensities of pain resemble?
answers: text: risk
is_impossible: no

question: What type of designer is natural selection?
answers: text: poor
is_impossible: no

question: What book did Dawkins Richard write?
is_impossible: yes

question: What profession does Dawkins Richard hold?
is_impossible: yes

question: What is red flag supernatural stimuli?
is_impossible: yes

question: What can visceral pain be accompanied by?
is_impossible: yes

question: How many studies in 2007 found evidence for the efficacy of hypnosis in the reduction of chronic pain?
is_impossible: yes

question: Corporal punishment is a form of what type of pain?
is_impossible: yes
context: In his book, The Greatest Show on Earth: The Evidence for Evolution, biologist Richard Dawkins grapples with the question of why pain has to be so very painful. He describes the alternative as a simple, mental raising of a "red flag". To argue why that red flag might be insufficient, Dawkins explains that drives must compete with each other within living beings. The most fit creature would be the one whose pains are well balanced. Those pains which mean certain death when ignored will become the most powerfully felt. The relative intensities of pain, then, may resemble the relative importance of that risk to our ancestors (lack of food, too much cold, or serious injuries are felt as agony, whereas minor damage is felt as mere discomfort). This resemblance will not be perfect, however, because natural selection can be a poor designer. The result is often glitches in animals, including supernormal stimuli. Such glitches help explain pains which are not, or at least no longer directly adaptive (e.g. perhaps some forms of toothache, or injury to fingernails).

qas: question: Along with with ethnicity and genetics, what is the other factor associated with differences in pain perception?
answers: text: sex
is_impossible: no

question: What might some people of Mediterranean origin report as painful that people of this origin wouldn't?
answers: text: Europeans
is_impossible: no

question: What nationality can tolerate the least amount of electric shock?
answers: text: Italian
is_impossible: no

question: What do some individuals in all cultures have significantly higher than normal?
answers: text: pain perception
is_impossible: no

question: Patients who have painless heart attacks have higher what?
answers: text: pain thresholds
is_impossible: no

question: What are pain thresholds and tolerance perception associated with?
is_impossible: yes

question: Who do Native American women tolerate less intense electric shock than?
is_impossible: yes

question: Who do Italian woman report more painful radiant heat intensities than?
is_impossible: yes

question: What is Erb Wilhelm's intensive theory?
is_impossible: yes

question: What did a January 2013 study find?
is_impossible: yes

question: Who described pain in 1986?
is_impossible: yes
context: Differences in pain perception and tolerance thresholds are associated with, among other factors, ethnicity, genetics, and sex. People of Mediterranean origin report as painful some radiant heat intensities that northern Europeans describe as nonpainful. And Italian women tolerate less intense electric shock than Jewish or Native American women. Some individuals in all cultures have significantly higher than normal pain perception and tolerance thresholds. For instance, patients who experience painless heart attacks have higher pain thresholds for electric shock, muscle cramp and heat.

qas: question: What is the most reliable measure of pain?
answers: text: person's self-report
is_impossible: no

question: What do health-care professionals tend to underestimate? 
answers: text: severity
is_impossible: no

question: What did Margo McCaffery introduce in 1968?
answers: text: definition of pain
is_impossible: no

question: What scale might a patient be asked to locate their pain on?
answers: text: 0 to 10
is_impossible: no

question: What are patients asked to use the McGill Pain Questionnaire to indicate?
answers: text: which words best describe their pain
is_impossible: no

question: What is a person's health care report?
is_impossible: yes

question: Who defined pain in 1986?
is_impossible: yes

question: What is the definition Margo McCaffery gave for pain in 1986?
is_impossible: yes

question: What is the number range on the McCaffery Pain scale?
is_impossible: yes

question: What is the most reliable method of learning about pain in a human?
is_impossible: yes

question: What type of topic is physical pain important in relation to many issues?
is_impossible: yes

question: Why may older adults quit doing activities the love?
is_impossible: yes
context: A person's self-report is the most reliable measure of pain, with health care professionals tending to underestimate severity. A definition of pain widely employed in nursing, emphasizing its subjective nature and the importance of believing patient reports, was introduced by Margo McCaffery in 1968: "Pain is whatever the experiencing person says it is, existing whenever he says it does". To assess intensity, the patient may be asked to locate their pain on a scale of 0 to 10, with 0 being no pain at all, and 10 the worst pain they have ever felt. Quality can be established by having the patient complete the McGill Pain Questionnaire indicating which words best describe their pain.

qas: question: What is MPI an abbreviation for?
answers: text: Multidimensional Pain Inventory
is_impossible: no

question: How many classes of chronic pain patients are there?
answers: text: three
is_impossible: no

question: What do dysfunctional people perceive the severity of their pain to be?
answers: text: high
is_impossible: no

question: What do interpersonally distressed people feel their significant others aren't supportive of?
answers: text: their pain problems
is_impossible: no

question: What should MPI characterization of a person be combined with for deriving the most useful case descriptions?
answers: text: their IASP five-category pain profile
is_impossible: no

question: What is the MIP?
is_impossible: yes

question: What does MIP stand for?
is_impossible: yes

question: How many classes of chronic pain patient did Turk and Rudy find in 1898?
is_impossible: yes

question: What is the definition of a dysfunctional pain patient according to the 1898 results of Turk and Rudy?
is_impossible: yes

question: What is the definition of adaptive copers according to the 1898 results by Turk and Rudy?
is_impossible: yes

question: What two countries is treating pain a specialty in?
is_impossible: yes

question: What categories is visceral pain divided into?
is_impossible: yes

question: What was the treatment method of the 9 studies published in 2013?
is_impossible: yes
context: The Multidimensional Pain Inventory (MPI) is a questionnaire designed to assess the psychosocial state of a person with chronic pain. Analysis of MPI results by Turk and Rudy (1988) found three classes of chronic pain patient: "(a) dysfunctional, people who perceived the severity of their pain to be high, reported that pain interfered with much of their lives, reported a higher degree of psychological distress caused by pain, and reported low levels of activity; (b) interpersonally distressed, people with a common perception that significant others were not very supportive of their pain problems; and (c) adaptive copers, patients who reported high levels of social support, relatively low levels of pain and perceived interference, and relatively high levels of activity." Combining the MPI characterization of the person with their IASP five-category pain profile is recommended for deriving the most useful case description.

qas: question: What become critical when a person is non-verbal? 
answers: text: observation
is_impossible: no

question: What can be monitored as pain indicators?
answers: text: specific behaviors
is_impossible: no

question: Facial grimacing and guarding indicate what?
answers: text: pain
is_impossible: no

question: What type of social behavior might patients experiencing pain exhibit?
answers: text: withdrawn
is_impossible: no

question: How can patients with dementia indicate discomfort exists?
answers: text: signal
is_impossible: no

question: When does grimacing become critical? 
is_impossible: yes

question: In what patients does a decrease in confusion signal pain?
is_impossible: yes

question: What is an increased range of motion a sign of?
is_impossible: yes

question: What can a change in baseline that deviates from the condition be a sign of?
is_impossible: yes

question: What do 54% of upper limb amputees experience? 
is_impossible: yes

question: What can visceral pain be accompanied by?
is_impossible: yes

question: What type of pain is caused by stimulation of fiber?
is_impossible: yes
context: When a person is non-verbal and cannot self-report pain, observation becomes critical, and specific behaviors can be monitored as pain indicators. Behaviors such as facial grimacing and guarding indicate pain, as well as an increase or decrease in vocalizations, changes in routine behavior patterns and mental status changes. Patients experiencing pain may exhibit withdrawn social behavior and possibly experience a decreased appetite and decreased nutritional intake. A change in condition that deviates from baseline such as moaning with movement or when manipulating a body part, and limited range of motion are also potential pain indicators. In patients who possess language but are incapable of expressing themselves effectively, such as those with dementia, an increase in confusion or display of aggressive behaviors or agitation may signal that discomfort exists, and further assessment is necessary.

qas: question: What does the experience of pain have throughout cultures?
answers: text: dimensions
is_impossible: no

question: What might an aging adult not respond to the same way as a younger person would?
answers: text: pain
is_impossible: no

question: Aging adult's ability to recognize pain may be blunted by what?
answers: text: illness
is_impossible: no

question: Why may older adults quit doing activities the love?
answers: text: because it hurts too much
is_impossible: no

question: An older adult may also not report pain because they're scared they may be put on what?
answers: text: a drug
is_impossible: no

question: How many dimensions does the cultural experience of pain have?
is_impossible: yes

question: What are examples of sociocharacteristics?
is_impossible: yes

question: What condition may cause an older adult to report they are in pain?
is_impossible: yes

question: What are reasons a younger adult might refrain from reporting pain?
is_impossible: yes

question: What is the term for nociceptors which respond to more than one type of stimuli?
is_impossible: yes

question: What did 65% of patients report eight months after amputation?
is_impossible: yes

question: Which type of injection has caused patients to report they have pain but aren't bothered by it?
is_impossible: yes
context: The experience of pain has many cultural dimensions. For instance, the way in which one experiences and responds to pain is related to sociocultural characteristics, such as gender, ethnicity, and age. An aging adult may not respond to pain in the way that a younger person would. Their ability to recognize pain may be blunted by illness or the use of multiple prescription drugs. Depression may also keep the older adult from reporting they are in pain. The older adult may also quit doing activities they love because it hurts too much. Decline in self-care activities (dressing, grooming, walking, etc.) may also be indicators that the older adult is experiencing pain. The older adult may refrain from reporting pain because they are afraid they will have to have surgery or will be put on a drug they might become addicted to. They may not want others to see them as weak, or may feel there is something impolite or shameful in complaining about pain, or they may feel the pain is deserved punishment for past transgressions.

qas: question: What kind of barriers can prevent a person from telling someone they're in pain?
answers: text: Cultural
is_impossible: no

question: How can religious beliefs contribute to a person remaining in pain?
answers: text: prevent the individual from seeking help
is_impossible: no

question: Some people may not report pain because they think it's a sign what is near?
answers: text: death
is_impossible: no

question: What do many people fear pain treatment will lead to?
answers: text: potentially addicting drugs
is_impossible: no

question: What is an issue of reporting pain specific to Asians?
answers: text: do not want to lose respect in society by admitting they are in pain
is_impossible: no

question: What can cultural beliefs keep a person from doing?
is_impossible: yes

question: What can religious barriers prevent?
is_impossible: yes

question: What race feels they should report pain right away to not lose respect in society?
is_impossible: yes

question: What do stoic women do about pain?
is_impossible: yes

question: What are men expected to show while being emotional?
is_impossible: yes

question: What do interpersonally distressed people feel their significant others aren't supportive of?
is_impossible: yes

question: What university is Bernard Rollin associated with?
is_impossible: yes

question: What is usually temporary?
is_impossible: yes
context: Cultural barriers can also keep a person from telling someone they are in pain. Religious beliefs may prevent the individual from seeking help. They may feel certain pain treatment is against their religion. They may not report pain because they feel it is a sign that death is near. Many people fear the stigma of addiction and avoid pain treatment so as not to be prescribed potentially addicting drugs. Many Asians do not want to lose respect in society by admitting they are in pain and need help, believing the pain should be borne in silence, while other cultures feel they should report pain right away and get immediate relief. Gender can also be a factor in reporting pain. Sexual differences can be the result of social and cultural expectations, with women expected to be emotional and show pain and men stoic, keeping pain to themselves.

qas: question: What does the IASP advocate that the relief of pain should be recognized as?
answers: text: a human right
is_impossible: no

question: What should chronic pain be considered in its own right?
answers: text: a disease
is_impossible: no

question: What two countries is treating pain a specialty in?
answers: text: China and Australia
is_impossible: no

question: What is pain medicine often under disciplines like physiatry, neurology, etc?
answers: text: subspecialty
is_impossible: no

question: As of 2011, how many people worldwide are still denied access to inexpensive medications for severe pain?
answers: text: tens of millions
is_impossible: no

question: What does the International Association for Pain Study advocate for?
is_impossible: yes

question: What does the International Association for Pain Study believe about chronic pain?
is_impossible: yes

question: What does the International Association for Pain Study believe about pain medicine?
is_impossible: yes

question: What did Human Rights Watch do in 2101?
is_impossible: yes

question: What type of topic is physical pain important in relation to many issues?
is_impossible: yes

question: What did Henry von Frey and Max Head make?
is_impossible: yes

question: What may happen with intact body parts if there is continuous pain for a long period?
is_impossible: yes
context: The International Association for the Study of Pain advocates that the relief of pain should be recognized as a human right, that chronic pain should be considered a disease in its own right, and that pain medicine should have the full status of a specialty. It is a specialty only in China and Australia at this time. Elsewhere, pain medicine is a subspecialty under disciplines such as anesthesiology, physiatry, neurology, palliative medicine and psychiatry. In 2011, Human Rights Watch alerted that tens of millions of people worldwide are still denied access to inexpensive medications for severe pain.

qas: question: What, when taken orally, can reduce total crying time of newsborns undergoing a painful procedure?
answers: text: Sugar
is_impossible: no

question: What doesn't sugar change the effect of pain on?
answers: text: heart rate
is_impossible: no

question: Sugar also doesn't measurably change what type of electrical activity in the brains of newborns a second after the heel lance procedure?
answers: text: pain-related
is_impossible: no

question: A sweet oral liquid does moderately reduce the incidence and duration of what?
answers: text: crying
is_impossible: no

question: What reduces the duration of the first cry in newborns undergoing painful procedures?
is_impossible: yes

question: What reduces the duration of crying in children between one and twelve years of age?
is_impossible: yes

question: What does sugar moderate the effect of pain on?
is_impossible: yes

question: What are social suggestion, hypnotic excitement and distraction?
is_impossible: yes

question: Aging adult's ability to recognize pain may be blunted by what?
is_impossible: yes

question: What cultural practices are highly regarded as torture?
is_impossible: yes
context:  Sugar taken orally reduces the total crying time but not the duration of the first cry in newborns undergoing a painful procedure (a single lancing of the heel). It does not moderate the effect of pain on heart rate and a recent single study found that sugar did not significantly affect pain-related electrical activity in the brains of newborns one second after the heel lance procedure. Sweet oral liquid moderately reduces the incidence and duration of crying caused by immunization injection in children between one and twelve months of age.

qas: question: Clinical hypnosis may be effective in doing what with pain associated with surgical procedures in adults and children?
answers: text: controlling
is_impossible: no

question: How many studies in 2007 found evidence for the efficacy of hypnosis in the reduction of chronic pain?
answers: text: 13
is_impossible: no

question: What did the studies regarding the effectiveness of hypnosis lack?
answers: text: credible controls for placebo and/or expectation
is_impossible: no

question: What is considerable more research needed to determine for different chronic pain conditions?
answers: text: effects of hypnosis
is_impossible: no

question: What did a 2013 review of 7 studies find?
is_impossible: yes

question: What did meta-analyses find to be effective in controlling surgical procedures?
is_impossible: yes

question: What was found about the number of participants in 7 studies?
is_impossible: yes

question: What does management of acute transitory pain entail?
is_impossible: yes

question: What does the International Association for Pain Study advocate for?
is_impossible: yes

question: What scale might a patient be asked to locate their pain on?
is_impossible: yes
context: A number of meta-analyses have found clinical hypnosis to be effective in controlling pain associated with diagnostic and surgical procedures in both adults and children, as well as pain associated with cancer and childbirth. A 2007 review of 13 studies found evidence for the efficacy of hypnosis in the reduction of chronic pain in some conditions, though the number of patients enrolled in the studies was low, bringing up issues of power to detect group differences, and most lacked credible controls for placebo and/or expectation. The authors concluded that "although the findings provide support for the general applicability of hypnosis in the treatment of chronic pain, considerably more research will be needed to fully determine the effects of hypnosis for different chronic-pain conditions."

qas: question: What is the most common reason people seek out alternative medicine?
answers: text: Pain
is_impossible: no

question: What did an analysis of the 13 studies of pain treatment conclude about the effect of real treament versus sham treatments?
answers: text: little difference in the effect
is_impossible: no

question: Some contradictory reviews of 13 high quality studies found actual what?
answers: text: benefit
is_impossible: no

question: What medicine is there tentative evidence for the efficacy of?
answers: text: herbal
is_impossible: no

question: Other than in osteomalacia, what is there no evidence of a relationship between pain and?
answers: text: vitamin D
is_impossible: no

question: What did a January 2013 study find?
is_impossible: yes

question: What was the treatment method of the 9 studies published in 2013?
is_impossible: yes

question: What is the other interest in the relationship with vitamins?
is_impossible: yes

question: The affective-motivational dimension of pain is characterized by what urge?
is_impossible: yes

question: How clear is the ability of vertebrae species to feel pain?
is_impossible: yes

question: What two countries is treating pain a specialty in?
is_impossible: yes
context: Pain is the most common reason for people to use complementary and alternative medicine. An analysis of the 13 highest quality studies of pain treatment with acupuncture, published in January 2009, concluded there is little difference in the effect of real, sham and no acupuncture. However other reviews have found benefit. Additionally, there is tentative evidence for a few herbal medicine. There is interest in the relationship between vitamin D and pain, but the evidence so far from controlled trials for such a relationship, other than in osteomalacia, is unconvincing.

qas: question: What type of topic is physical pain important in relation to many issues?
answers: text: political
is_impossible: no

question: Corporal punishment is a form of what type of pain?
answers: text: deliberate infliction
is_impossible: no

question: What is corporal punishment used as retribution for?
answers: text: an offence
is_impossible: no

question: How does pain inform attitudes deemed unacceptable?
answers: text: deter
is_impossible: no

question: What kind of practices do some cultures highly regard?
answers: text: extreme
is_impossible: no

question: What is animal rights in relation to various issues?
is_impossible: yes

question: What important political issues relate to infliction of pain?
is_impossible: yes

question: What reasons are given for pain?
is_impossible: yes

question: What cultural practices are highly regarded as torture?
is_impossible: yes

question: How was specificity regarded by the mid-1980s?
is_impossible: yes

question: Some people may not report pain because they think it's a sign what is near?
is_impossible: yes

question: How many dimensions does the cultural experience of pain have?
is_impossible: yes
context: Physical pain is an important political topic in relation to various issues, including pain management policy, drug control, animal rights or animal welfare, torture, and pain compliance. In various contexts, the deliberate infliction of pain in the form of corporal punishment is used as retribution for an offence, or for the purpose of disciplining or reforming a wrongdoer, or to deter attitudes or behaviour deemed unacceptable. In some cultures, extreme practices such as mortification of the flesh or painful rites of passage are highly regarded.

qas: question: What is the most reliable method of learning about pain in a human?
answers: text: asking a question
is_impossible: no

question: What can't animals answer?
answers: text: whether they feel pain
is_impossible: no

question: What did Descartes argue animals lack?
answers: text: consciousness
is_impossible: no

question: What university is Bernard Rollin associated with?
answers: text: Colorado State University
is_impossible: no

question: Can invertebrate species of animals like insects feel pain and suffering?
answers: text: unclear
is_impossible: no

question: What is the word "infants" mean in Latin?
is_impossible: yes

question: What did Rene Rollin argue about animals and pain?
is_impossible: yes

question: What was Bernard Descartes' opinion on animals and pain?
is_impossible: yes

question: What did Rene Carbone write about animals and pain?
is_impossible: yes

question: How clear is the ability of vertebrae species to feel pain?
is_impossible: yes

question: What kind of barriers can prevent a person from telling someone they're in pain?
is_impossible: yes

question: Along with with ethnicity and genetics, what is the other factor associated with differences in pain perception?
is_impossible: yes

question: What is the term for nociceptors which respond to more than one type of stimuli?
is_impossible: yes
context: The most reliable method for assessing pain in most humans is by asking a question: a person may report pain that cannot be detected by any known physiological measure. However, like infants (Latin infans meaning "unable to speak"), animals cannot answer questions about whether they feel pain; thus the defining criterion for pain in humans cannot be applied to them. Philosophers and scientists have responded to this difficulty in a variety of ways. René Descartes for example argued that animals lack consciousness and therefore do not experience pain and suffering in the way that humans do. Bernard Rollin of Colorado State University, the principal author of two U.S. federal laws regulating pain relief for animals, writes that researchers remained unsure into the 1980s as to whether animals experience pain, and that veterinarians trained in the U.S. before 1989 were simply taught to ignore animal pain. In his interactions with scientists and other veterinarians, he was regularly asked to "prove" that animals are conscious, and to provide "scientifically acceptable" grounds for claiming that they feel pain. Carbone writes that the view that animals feel pain differently is now a minority view. Academic reviews of the topic are more equivocal, noting that although the argument that animals have at least simple conscious thoughts and feelings has strong support, some critics continue to question how reliably animal mental states can be determined. The ability of invertebrate species of animals, such as insects, to feel pain and suffering is also unclear.

qas: question: What about pain in an animal isn't able to be known with certainty?
answers: text: presence
is_impossible: no

question: An animals physical and behavioral reactions may be inferred to indicate the presence of what?
answers: text: pain
is_impossible: no

question: Who do specialists believe can feel pain?
answers: text: vertebrates
is_impossible: no

question: No mechanism is known by which what organisms would be able to have a feeling such as pain?
answers: text: plants
is_impossible: no

question: What do fungi and fruit flies seem to lack?
answers: text: nociceptors
is_impossible: no

question: What can be known for certain in animals?
is_impossible: yes

question: What do specialists say all invertebrates can feel?
is_impossible: yes

question: What does a fruit fly not have?
is_impossible: yes

question: What is paraplegia?
is_impossible: yes

question: Who defined pain in 1986?
is_impossible: yes

question: What did Descartes argue animals lack?
is_impossible: yes
context: The presence of pain in an animal cannot be known for certain, but it can be inferred through physical and behavioral reactions. Specialists currently believe that all vertebrates can feel pain, and that certain invertebrates, like the octopus, might too. As for other animals, plants, or other entities, their ability to feel physical pain is at present a question beyond scientific reach, since no mechanism is known by which they could have such a feeling. In particular, there are no known nociceptors in groups such as plants, fungi, and most insects, except for instance in fruit flies.