Fight-or-flight | Wikipedia audio article
Channel: wikipedia tts
Date: 06/06/2019

This is an audio version of the Wikipedia Article:
https://en.wikipedia.org/wiki/Fight-or-flight_response


00:00:46 1 Physiology
00:00:55 1.1 Autonomic nervous system
00:01:25 1.1.1 Sympathetic nervous system
00:01:50 1.1.2 Parasympathetic nervous system
00:02:22 1.2 Reaction
00:04:14 1.3 Function of physiological changes
00:05:01 2 Emotional components
00:05:10 2.1 Emotion regulation
00:05:28 2.2 Emotional reactivity
00:05:55 3 Cognitive components
00:06:05 3.1 Content specificity
00:06:34 3.2 Perception of control
00:07:02 3.3 Social information processing
00:07:32 4 Other animals
00:07:40 4.1 Evolutionary perspective
00:08:05 4.2 Examples
00:08:48 4.3 Varieties of responses
00:10:25 5 See also



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SUMMARY
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The fight-or-flight response (also called hyperarousal, or the acute stress response) is a physiological reaction that occurs in response to a perceived harmful event, attack, or threat to survival. It was first described by Walter Bradford Cannon. His theory states that animals react to threats with a general discharge of the sympathetic nervous system, preparing the animal for fighting or fleeing. More specifically, the adrenal medulla produces a hormonal cascade that results in the secretion of catecholamines, especially norepinephrine and epinephrine. The hormones estrogen, testosterone, and cortisol, as well as the neurotransmitters dopamine and serotonin, also affect how organisms react to stress.This response is recognised as the first stage of the general adaptation syndrome that regulates stress responses among vertebrates and other organisms.