Fight Or Flight Response


The Fight Or Flight Response information sheet describes the bodily changes most commonly associated with the 'fight or flight' response. 'Fight or flight was first described by Walter Bradford Cannon in 1929 and identifies automatic bodily responses to perceived threat. These responses are evolutionary adaptations to stay safe in threatening situations. Clients typically find it helpful to receive this (benign) understanding of causes for their symptoms.

(This worksheet is an update of the older Threat System information sheet. Translated versions of the Threat System information sheet are available in the references section below)

Fight Or Flight Response

Key reading

  • Walter Bradford Cannon (1929). Bodily changes in pain, hunger, fear, and rage. New York: Appleton-Century-Crofts.
  • Threat System information sheet translations: English (US) English (GB) հայերեն (Armenian) Dansk (Danish) Nederlands (Dutch) Français (French) Čeština (Czech) Deutsch (German) ελληνικά (Greek) Italiano (Italian) Lietuvių kalba (Lithuanian) Bahasa Malaysia (Malaysian) Norsk (Norwegian) فارسی / پارسی (Persian / Farsi) Polski (Polish) Român (Romanian) ру́сский язы́к (Russian) Slovene (Slovenian) Español (Spanish) Svenska (Swedish) 繁體中文 (Traditional Chinese)