Fight-or-flight response  

From The Art and Popular Culture Encyclopedia

Jump to: navigation, search

Related e

Google
Wikipedia
Wiktionary
Wiki Commons
Wikiquote
Wikisource
YouTube
Shop


Featured:
Train wreck at Montparnasse (October 22, 1895) by Studio Lévy and Sons.
Enlarge
Train wreck at Montparnasse (October 22, 1895) by Studio Lévy and Sons.

The fight-or-flight response, also called hyperarousal or the acute stress response, was first described by Walter Cannon in 1927. His theory states that animals react to threats with a general discharge of the sympathetic nervous system, priming the animal for fighting or fleeing. This response was later recognized as the first stage of a general adaptation syndrome that regulates stress responses among vertebrates and other organisms.

Physiology

Catecholamine hormones, such as adrenaline or noradrenaline, facilitate immediate physical reactions associated with a preparation for violent muscular action. These include the following:


See also

Conditions




Unless indicated otherwise, the text in this article is either based on Wikipedia article "Fight-or-flight response" or another language Wikipedia page thereof used under the terms of the GNU Free Documentation License; or on original research by Jahsonic and friends. See Art and Popular Culture's copyright notice.

Personal tools