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Consciousness

Consciousness. What is consciousness?. Why do we sleep?. REM rebound restorative theory/systems maintenance theory vascular theory cortical theory/dendrite theory secretion (gland) theory Behaviorist/learning theories evolutionary/adaptive/safety/preservation/protection theory.

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Consciousness

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  1. Consciousness

  2. What is consciousness?

  3. Why do we sleep?

  4. REM rebound • restorative theory/systems maintenance theory • vascular theory • cortical theory/dendrite theory • secretion (gland) theory • Behaviorist/learning theories • evolutionary/adaptive/safety/preservation/protection theory

  5. EEG: electroencephalograph a machine that measures electrical activity in the brain • EMG: electromyograph a device that monitors muscle movement and muscle tension • EOG: electro-oculograph a recording device used to measure eye-movements in various sleep stages • EKG: electrocardiograph a recording device that monitors heart rate

  6. http://www.ted.com/talks/lang/en/jessa_gamble_how_to_sleep.htmlhttp://www.ted.com/talks/lang/en/jessa_gamble_how_to_sleep.html

  7. Why do we dream?

  8. Freudian theory—manifest and latent content • activation synthesis theory (Hobson and McCarley) • growth (stimulation) development theory—babies 50% in REM • cognitive problem solving and consolidation theory (Rosalind Cartwright)

  9. View parts of Nova: What are dreams?

  10. meditation—sustained concentration techniques that focus attention and heighten awareness mantra—repeated phrase http://videos.howstuffworks.com/discovery/30915-the-brain-meditation-and-pain-control-video.htm

  11. hypnosis—cooperative social interaction in which a hypnotized person responds to the hypnotist’s suggestions posthypnotic suggestion hypermnesia neodissociation theory of hypnosis—Hilgard hidden observer http://videos.howstuffworks.com/sciencentral/2922-hypnotic-suggestion-video.htm

  12. physical dependence—physically adapted so drug must be taken more regularly drug tolerance—increasing amounts of drug are needed withdrawal symptoms—unpleasant physical reactions when person abstains drug rebound effect—withdrawal symptoms that are opposite of the drug’s action

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