Chapter 6 Notes

Chapter 6 Notes - Chapter 6 Notes Physiological Responses...

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Chapter 6 Notes Physiological Responses to Stress Stressors activate the amygdala which then activates the hypothalamus Hypothalamus activates sympathetic nervous system and adrenal-cortical system o Sympathetic nervous system acts on smooth muscles and internal organs and activates hormones o Adrenal-cortical system is released by CRF which signals pituitary gland to secrete ACTH, ACTH stimulates adrenal cortex and adrenal medulla as well as releasing cortisol (used to determine stress in people), hormones are released and hippocampus is notified Hans Selye described General Adaptation Syndrome o Alarm -body confronts threat with sympathetic nervous system o Resistance -organism copes with threat by fighting or fleeing o Exhaustion -organism can no longer fight or flee and depletes resources Health Psychology investigates effects of stress and other psych on physical illness o Direct Effects- psych factors directly cause changes on body which lead to diseases o Interactive Model-
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This note was uploaded on 05/16/2011 for the course PYSC 245 taught by Professor Loeb during the Fall '10 term at UNC.

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Chapter 6 Notes - Chapter 6 Notes Physiological Responses...

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