Chpt 16 txt nts

4 Pages
Unlock Document

University of Toronto Scarborough
John Bassili

Chapter 16: Lifestyle, Stress, and Health Cultural Evolution o The law of effect Lifestyle o Unhealthy lifestyles (negative biological implications) Behaviours can be acquired and maintained by both biological and psychological factors Stress & Stressor (fight or flight response) Walter Cannon SSRS (social readjustment rating scale) standardized amount of stress involved in a # of life events o Death of spouse (100), divorce (73), marital separation (65), jail (63), close death (63), fired (47), pregnancy (40), vacation (13), Christmas (12) Video: through eyes, cortex recognizes threat and sends msg to medulla which activates hypothalamus (sends msgs down trough spinal cord which gets into the middle of the adrenal gland & pituitary gland adrenaline which increase heart rate & energy available to muscles & pituitary gland adrenal cortex cortisal) Stressful lifestyle o Coronary heart disease o Cancer o Impaired immune system o High blood pressure Biological basis of stress o Autonomic nervous system (ANS) controlled by hypothalamus o Biological response experienced as emotion o Presence of stressor signals sent to ANS and pituitary gland stimulate organs to change their normal activities) Heart rate +, bp +, blood vessels constrict, blood sugar levels +, blood flow directed towards major organs Breathing = deeper & faster, air passages dilate Digestion stops and perspiration increases Adrenal glands secrete adrenaline These changes are adaptiverep the body to deal w stressor) 2 cases stress can be Maladaptive:
More Less

Related notes for PSYA02H3

Log In


Don't have an account?

Join OneClass

Access over 10 million pages of study
documents for 1.3 million courses.

Sign up

Join to view


By registering, I agree to the Terms and Privacy Policies
Already have an account?
Just a few more details

So we can recommend you notes for your school.

Reset Password

Please enter below the email address you registered with and we will send you a link to reset your password.

Add your courses

Get notes from the top students in your class.