The flight or fight response Flashcards
The amygdala
Associates sensory signals with emotions such as anger or fear and sends a ‘distress signal’ to the hypothalamus.
The hypothalamus
In response to continued threat, releases CRH into the blood stream.
The pituitary gland.
Releases ATCH into the bloodstream and from there to its target sites.
The adrenal cortex.
Releases cortisol and other stress hormones in response to stress.
The adrenal medulla
Releases adrenaline into the bloodstream causing physiological changes such as increased heart rate and release of blood sugar.
The PNS
Dampens down stress response when the the threat has passed.
The SNS
Prepares the body for rapid action associated with fight end flight.