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Transcript

  • 1. All About Sleep
  • 2. Cycles of Sleep • Deep Sleep: Restful for body and brain • Rapid eye sleep (Paradoxical): • Body vs Brain • Brain waves look very similar to those of brain activity during the day • Difference between the real world and dreaming
  • 3. • The eyes and the actions in a dream are a direct comparison • Short term memory cut off
  • 4. Rem Sleep • Brain development Newborns: 16 hours/day Adults: 1.5 hours/day • Dream action = Real action
  • 5. • Practice human survival skills • 2 signal are sent
  • 6. 6
  • 7. • Gets blocked at spinal cord • Good for humans health wise 7
  • 8. Chemicals • Dreaming vs Real world - Non-Rem sleep: ½ - Rem sleep: 0 • Melatonin (Jet-lag)
  • 9. • Activated: certain areas of the cortex • emotions (ex: ecstasy) 9
  • 10. • Frontal Cortex (less act.) • No thought • Bizarreness in dreams • No guidance
  • 11. Sleepwalking • Asleep + motor output fires up • Slow wave cycle of sleep (NREM) • Little activity in brain
  • 12. • Night terrors • Activities done during the day can happen during sleepwalking 12
  • 13. Theories • #1: What you see is what you get • #2: A lot of dreams are overblown to emphasize important memories