Fight or flight
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Process of fight or flight
• when faced with threat - amygdala is mobilised • Amygdala associates emotions with sensory signals • Sends a distress signal to hypothalamus • Hypothalamus communicates to the rest of the body through the sympathetic nervous system
two types of stress
Acute - immediate stress Chronic - ongoing stress
Response to acute stress
• SNS is triggered - prepares body for fight or flight 2. Sends signal to adrenal medulla which releases adrenaline
Response to chronic stress
• Hypothalamus - releases corticotrophin releasing hormone • pituitary glands - produce and release ACTH to target adrenal glands • Adrenal - releases cortisol to cause stress response triggers • feedback - able to regulate it all
A03: Taylor
For females, responses are “tend and befriend”. Involves protecting and caring for children and friending other women
A03: Negative consequences
increase in blood pressure - damage vessels - heart attack
A03: Gray
Freeze repsonse
Lee
Sex differences, SRY gene only in the Y chromosome - promoting aggressive