HMB471H1 Lecture Notes - Lecture 2: Nederlandse Christelijke Radio Vereniging, Allostatic Load
Document Summary
Lecture 2: stress and health. Stress reactions: acute and chronic. The physiology of stress nervous system, endocrine system, immune system: acute stressors mobilize coping responses. Social stressors impact physiological reactions. Loss of attachments challenges individuals. Failure to cope with acute loss leads to chronic impact on wellness. Urged medical doctors to study all things that could cause a disturbance in the body including. Amygdala and hypothalamus trigger increased arousal in the sympathetic nervous system. Increased heart rate & blood pressure. Constriction of peripheral blood vessels. Prepares the body for intense motor activity: sympathetic nervous system. Sends out message to every organ in the body (almost instant) Wanted to investigate all the common features of illness independent of the different illnesses. The body must have a consistent, organized mechanism to help cope with a range of insults. Body responds with an immediate nervous system reaction.
