PSY 1102 Lecture Notes - Lecture 4: Natural Killer Cell, Adrenal Medulla, Pituitary Gland

• School: University of Ottawa
• Department: Psychology
• Course: PSY 1102
• Professor: Najwa Haddad

Document Summary

Stress: involves both psychological and physiological processes: feel stressed when we"re in a situation that we perceive is threatening to us or beyond our ability to cope with. The stress response system: canon: first to scientifically study stress. Body prepares itself for flight or fight: selye: for 40 years he researched stress. Because of his work, stress became a household name and it made people begin to research stress: general adaption syndrome (gas) Alarm reaction: when you"re facing the threatening situation. Resistance: if the stress continues then the body is going to do whatever it can to cope and adapt with the change. Norepinephrine: cortex-> hypothalamus -> pituitary gland-> adrenal cortex-> cortisol. Approach-approach: in a situation where you have to make a choice between two good things. Approach-avoidance: in a situation where we have to choose between two things that have negative and positive aspects. Before 1956 it was rare in the united states.