"Discuss the Fight or Flight Response" 16 mark essay plan

  • Created by: ArronK99
  • Created on: 24-05-17 17:37

"Discuss the Fight or Flight Response" 16 mark essay plan


  • The body reacts to threatening/stressful situations
    • Increased heart + breathing rates, tensed muscles etc
  • The reaction is known as the fight or flight (f-or-f) response
    • Evolved survival mechanism that lets humans + other animals react quickly to life-threatening situations
  • Physiological responses - result of adrenaline in the blood stream, released by the adrenal glands.
  • Sympathetic nervous system activated when a threat s perceived, sending chemical messengers to the adrenal gland
  • If the brain continually perceives something as threatening, the hypothalamus sends chemical messengers to the pituitary gland, releasing ATCH hormone
    • This stimulates the adrenal cortex, which produces cortisol
  • Increased cortisol levels can impair cognitive performance and lower immune function