PSYC 6 Lecture Notes - Lecture 24: Natural Killer Cell, Coronary Artery Disease, Sympathetic Nervous System
15 Oct 2020
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Psychoneuroimmunology- response of the body"s immune system to psychological variables. 3 types of white blood cells (lymphocytes) Protein molecules that attach themselves to foreign agents. T cells-attack intruders directly + increasing strength of immune and mark for destruction response. Natural killer cells for attacking viruses and tumors. Stress increases the risk of heart disease. Competitive, achievement oriented, aggressive, hostile, impatient, time pressed. Much more likely to develop coronary heart disease. Hostility most toxic factor of type a personality. Physiological effects of stress on the heart. Cope with states through behaviors that are bad for health. Personality traits, like hostility and depression, have negative effects on people"s social networks. Negative personality traits and stress can produce direct physiological effects on heart. Buildup of fatty deposits (plaque) make arteries stiff. Chronic stress leads to overstimulation of sympathetic. Raise pressure-> coronary heart disease nervous system. Coping reduces the negative health effects of stres. Primary appraisals- decide whether stimuli is stressful, benign, or.
