fight or fligth

• evolutionary survivial mechanism
• acute stress - short term
• chronic stress - long term
• process - recognise threat - enter stress response
• stress response - hypothalamus activates sympathetic branch - triggers endocrine response through pituitary
• adrenal glands are essential for both fight or flight
• endo response - hypothalalmus - pituitary and adrenal activates - hypothalamus triggers pituiatry to release acth - secretion of cortisol
• autonomic - sam activated - releases adrenaline and neuroadrenaline
• adrenaline and neuroadrenaline travel accross causing a range of effecctts increased blood flow - dialted pupils