Biopsychology - Fight Or Flight

Question 1

Evolutionary origins fight or flight

Answer 1

Developed by our ancestors as a survival mechanism
Helped early humans react quickly to life-threatening situations
Allowed for rapid decision-making: confront the threat or flee
Still present in modern humans though threats have changed

Question 2

Fight or flight response

Answer 2

Automatic physiological reaction to perceived threats
Involves both nervous system via electrical activity
Sympathetic nervous system activates
Adrenal medulla to release adrenaline
Body changes: increased heart rate, rapid breathing, dilated pupils

Question 3

Hormones involved in f or f

Answer 3

Adrenaline: primary stress hormone
Cortisol: ‘stress hormone’, prolongs the effects
Noradrenaline: increases alertness and focus

Question 4

Physical effects beyond fight or flight

Answer 4

Blood flow redirected to muscles, heart and brain
Digestion and immune system functions temporarily suppressed
Increased blood sugar for quick energy
Heightened senses, especially vision and hearing

Question 5

Rest and digest

Answer 5

Opposite of flight or fight
Activated by parasympathetic nervous system
Returns body to a calm state after stress
Slows heart rate and breathing
Stimulates digestion and salivation

Question 6

Managing fight or flight response

Answer 6

Deep breathing exercises to activate the parasympathetic system
Regular physical exercise to reduce overall stress levels
Mindfulness and mediation techniques
Cognitive behavioural therapy to reframe stress triggers