Consciousness Test Review Tuesday Dec. 17th 25 MC Questions (75 point test) Graphs
Review Sheet… Awareness of ourselves & world around us 24 cycle / biological clock Jet Lag / Shift Work / Melatonin Awake but relaxed = stage 1 Sleep spindles (20’s) Stage 1 – lightest stage; easiest to awaken Any stage Delta waves REM: Stage 4 Stage 1 (alpha)
Review Sheet… 10. REM 11. Brain active; body inactive 12. 90 minutes 13. irratibility/stress/weight gain/poor judgement 14. Stop breathing 15. REM : Stage 4 16. Manisfest 17. Hidden meaning
Sleep Stages
The Effects of Sleep Loss
Four Sleep Theories Dream Theories To satisfy our own wishes 1. Sleep protects 2. Sleep helps us recover 3. Sleep helps memory & creative thinking 4. Sleep releases growth hormones Dream Theories To satisfy our own wishes Freud; psychic safety valve; Manifest Content / Latent Content To make sense of neural static Activation Synthesis Theory – dreams have no hidden meaning Protects – safer in cave from prey & hard to navigate in dark (elephants = 4 hrs sleep vs bats 20 hrs sleep) Memory – sleep helps people perform a learned task better
Sleep Deprivation & Disorders Effects of Sleep Debt Sleep Disorders Weight Gain Gherlin Stress Cortisol Irritable Less Creative Poor Judgement 1 in 10 Insomnia Sleep Apnea Stop breathing Night Terrors Stage 4 Narcolepsy http://www.youtube.com/watch?v=X0h2nleWTwI 1 in 20 Alcohol & sleeping pills quick fix actually make things worse = reduce REM 1 in 2000