Assertion: limbic system | /r/AtLocation | the center of the brain
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text: Start over A B soma body somatic nervous system consists of sensory pathway and motor pathway sensory pathway nerves coming from the sensory organs to the CNS consisting of sensory neurons motor pathway nerves coming from the CNS to the voluntary muscles consisting of motor neurons autonomic nervous system (ANS) division of the PNS that controls all the involuntary muscles, organs, and glands sypathetic division energizing--fight or flight system--part of the ANS that is responsible for reacting to stressful events and bodily arousal parasympathetic division calming--part of the ANS that restores the body to normal functioning after arousal and is responsible for the day-to-day functioning of the organs and glands limbic system group of several brain structures located under the cortex and involved in learning, emotion, memory, and motivation thalamus part of the limbic system located in the center of the brain--relays sensory info from lower brain to proper areas of cortex, processes some sensory info hypothalamus part of the forebrain that regulates the amount of fear, thirst, sexual drive, and aggression amygdala influences motivations, emotional control, fear response and interpretation of nonverbal emotional expressions hippocampus plays a role in our emotions, ability to remember, ability to compare sensory info to expectations central cortex controls complex thought processes corpus callosum connects left and right hemispheres of the brain pituitary gland regulates other endocrine glands pons part of the hindbrain that relays messages between the cerebellum and the cortex medulla part of the hindbrain where nerves cross from one side of the body to the opposite side of the brain reticular formation a system of nerves running from the hindbrain and through the midbrain to the cerebral cortex, controlling arousal and attention cerebellum a part of the hindbrain that controls balance and maintains muscle coordination hippocampus plays a role in our emotions, ability to remember, and ability to compare sensory info to expectations cortex outermost covering of brain consisting of densely packed neurons, responsible for higher thought processes and interpretation of senses corticalization wrinkling of the cortex--allows much larger area of cortical cells to exist in the small space inside the skull cerebral hemispheres two sections of the cortex on the left and right sides of the brain corpus callosum thick band of neurons that connects the right and left cerebral hemispheres Broca's aphasia (usually in left frontal lobe) unable to speak fluently, to mispronounce words, and to speak haltingly Wernicke's aphasia (usually left temporal lobe) unable to understand or produce meaningful language spatial neglect (usually right hemisphere) inability to recognize objects or body parts in the left visual field cerebrum upper part of the brain consisting of two hemispheres and the structure that connect them split brain research study of patients with severed corpus collosum--send message to 1 part of brain/demonstrates right and left brain specialization left side of brain controls language, writing, logical thought, analysis, math, processes info sequentially, can speak right side of brain controls emotional expression, spatial perception, face recognition, patterns, melodies,