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Psychology Lecture 38.docx

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Psychology 1000

Psychology Lecture 38: Stress pp 543-550 The stress response, psychosomatic disorders, traumatic stress  What causes stress?  Are there consequences of prolonged stress?  How can you protect yourself against stress?  Stress o Pattern of physiological, behavioral, emotional and cognitive repsonses to real or imagined stimuli that are perceived as blocking a goal or endangering our well being o Stressor -> Intervening Factors -> Stress Reaction  Stressors include catastrophes, life changes and hassles  Intervening Factors include appraisal, perceived control, personality, social support, coping  Stress reactions include physiological responses  Sense stressor o Sympathetic nervous system has adrenal medulla pouring adrenaline into your bloodstream o Signal to hypothalamus, anterior pituitary dumps cortisol into bloodstream alongside the adrenaline  Cortisol o Effects similar to epinephrine o Coverts protein to glucose o Makes fats available for energy o Increased blood flow o Almost every cell in body has receptor for glucocorticosteriods  Immune system o Stress can supress the immune system, making the person more vulnerable  Stress results in release of glucocorticoids which directly supresses the action of white blood cells o Support  Rats faced with inescapable shock showed a decrease in lymphocyte production  Husbands show decreased immune response after wife’s d
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