Psychology 2036A/B Lecture Notes - Lecture 4: Adrenal Medulla, Walter Bradford Cannon, Sympathetic Nervous System

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

Document Summary

Missed lecture: describe how cbt enhance health behaviours weren"t missing anything particularly new apply it to some specific behaviours. 2 early approaches to defining stress: an environmental stimulus eg. exams or jobs are stressful and stimuli are called stressors, it"s a response to a stressor i feel stressed at exams times. There are 2 types of responses: psychological response: thoughts are one things and feelings are another thing (distress nervous or anxious, physiological response their heart speeds up and they start to sweat. Early research focused on how stressors influence physiological responses. Walter cannon- stressors activate 2 body systems sam. One of these systems is the sympathetic nervous system (that"s the s) this system prepares the body for action. Once activated the sympathetic nervous system activates the endocrine system (adrenal. Essentially stressors activate 2 body systems: sympathetic nervous system, endocrine system (adrenal medulla which secretes the catecholamine"s)