GAS 0.0 / 5 ? PsychologyApproachesASWJEC Created by: francesca_321Created on: 03-04-15 14:52 What does Seyle's GAS describe? How the body adapts to stressors 1 of 27 What did he notice as a doctor? Patients with a variety of illnesses all shared certain symptoms 2 of 27 What did he notice later in his career? While researching the effects of hormones on rats he noticed that they too shared certain response 3 of 27 To what? regardless of the hormone they were given 4 of 27 What did these observations led him to develop? The theory 5 of 27 How? By exposing rats to various stressors 6 of 27 Such as what? Extreme temperatures and surgical injury 7 of 27 What did he measure? their physiological responses 8 of 27 What did his findings result in? Three stages of GAS 9 of 27 What is the first stage of GAS? alarm stage 10 of 27 What does the stressor activate? The hypothalamus 11 of 27 What did this trigger? The hypothalamic pituitary adrenal axis and the autonomic nervous system 12 of 27 What does the ANS cause? The production of adrenaline which leads to readiness for fight or flight 13 of 27 What physiological reactions are included? Heart and breathing rates and a release of sugars to generate energy 14 of 27 What is the second stage of GAS? Resistance 15 of 27 What happens if the stressor persists? The body continues producing adrenaline and cortisol 16 of 27 How does the body attempt to adapt to the stressor? The parasympathetic nervous system cuts in and the body appears to cope 17 of 27 What happens when the hormone levels take their toll? The body's ability to resist diminishes. 18 of 27 What do physiological reactions? They include increase blood pressure, and sugars are now stored to conserve energy 19 of 27 What is heavily involved in the first two stages? The HPA axis 20 of 27 What is the third stage of GAS? Exhaustion 21 of 27 What happens if the stressor persist? hormone levels remain high, the body can no longer cope 22 of 27 What are physiological reactions? Damaged adrenal glands and a weakened immune system 23 of 27 What happens as a result? Defences become less effective and stree related illnesses can occur 24 of 27 Such as? Heart disease and ulcers 25 of 27 What happened to Seyle's rats? They died 26 of 27 What does GAS suggest? Stress is a biological response caused by changes in hormone levels 27 of 27
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