PSYC 101 Lecture 20: sleep and dreaming

• School: UBC
• Department: Psychology
• Course: PSYC 101
• Professor: Steven Barnes, Grace Truong

Document Summary

Word pairing in the conscious and unconscious. Either do a distracting task, and then choose, or just choose right away. Leg does a huge twitch i. ii: ^^ hypnic jerk, asleep, dreaming (mind is seemingly conscious, waking up, post sleep consciousness, similar to almost sleeping. Naturally occurring 24 hr cycle of sleep and waking. Regulated by supra chiasmatic nucleus in the hypothalamus. Experiments where put ppl in a cave where no light, they followed 25 hr cycle. Stage 1 (light sleep: harder to wake up, and 4. slow wave sleep. At the end of the night, cycle between light and rem sleep. If go 5-6, or 8+ hrs, not that good for you either. What makes up plaques that causes alzeimers. Cardiovascular resets (if not, high blood pressure) Produce killer cells, that can fight cancer. If sleep too little enough, cannot st. Lose ability to be mentally flexible, or to make plans. 20 hrs of sleep deprivation = drunk driving.