PSY333H1 Lecture Notes - Lecture 5: Adrenal Medulla, Allostatic Load, Tachycardia
Document Summary
Lecture 5 stress and moderators of stressful experience. Stress: usually a negative emotional experience, predictable factors: biochemical, physiological, cognitive, and behavioral changes, response can be directed either toward >>>>>>>>>>>>>>, stress has 2 main components. Psychological - how we perceive circumstances in our lives. Strain - physical (heart pounds, mouth dry) & psychological (thought/emotion patterns) reactions. Person and environment each affecting and being affected by the other. Individual differences are huge factor: perceptions of discrepancies between environmental demands and actual resources. Can be either real or just believed to exist. Assessment of whether personal resources are sufficient to meet the demands. 3. of environ = cognitive appraisal: mental processes involving 2 assessments, whether demand threatens physical or psychological well-being. Theories of stress: cannon"s fight-or-flight response www. notesolution. com. Perceive threat >> sympathetic & endocrine system >> prepares body to attack or run. Adrenomedullary response - in response to stress the adrenal medulla will release norepinephrine and epinephrine (catecholamines)
