Psychology 2036A/B Lecture Notes - Lecture 3: Hans Selye, Walter Bradford Cannon, Adrenal Cortex

• School: Western University
• Department: Psychology
• Course: Psychology 2036A/B
• Professor: Doug Hazlewood

Document Summary

Humans are not disturbed by events, but by the view they take of them . There is no such thing as good or bad, but thinking makes it so shakespeare. I face a tiger! (it is made of paper) hazlewood (when writing lectures) Part 1: two approaches to defining stress: it"s an environmental stimulus - more commonly used in engineering. Stimuli are called stressors: it"s a response to a stressor more commonly used in psychology. Two types of responses: psychological (thoughts and feelings, aka distress). Part 2: early contributions: stress is a physiological response anxious before an exam: walter cannon (1932, stressors activate two body systems (sam) Sympathetic nervous system: prepares the body for action. Endocrine system (adrenal medulla): secretes catecholamines (epinephrine & norepinephrine) arouse the body: hr inc, bp inc, respiration inc: sam system activates the fight or flight response: can have both positive and negative effects.