PSY 4327 Study Guide - Midterm Guide: Albrecht Von Haller, Rapid Eye Movement Sleep, Slow-Wave Sleep

• School: University of Ottawa
• Department: Psychology
• Course: PSY 4327
• Professor: Marcel Viens

Document Summary

Why talk about sleep: takes up third of life, important impact on daily living sleep disorders, mood, depression, anxiety, cognition, biological rhythm, social and economical impact, still looking for effective treatments. Importance of sleep: touches wide array of disciplines: biology, medicine, psychology, pharmacology, etc. History of sleep: somnus (roman god of sleep) // hypnos (greek god of sleep) First theories of sleep: hippocrates believed it was result of warming of blood as it passes form limbs to inner core of the body. Suggested sleep should be during night and deprivation would lead to sorrow and pain: aristotle sleep is an inhibition of function (balance: sleep/wake) Food weighs us down heart activates warms blood cools brain sleep digestion waking up (temperature is key) Babies and people with big heads sleep more: albrecht von haller: pressure on brain from increased blood flow to head triggers sleep, von humbolt: sleep results from deprivation of oxygen to brain.