PSY 113 Lecture Notes - Lecture 6: Delta Wave, Theta Wave, Sleep Spindle
Document Summary
Continuum of consciousness: awareness, external- noises, sounds, temperatures, internal- mental states of mind) States of consciousness: controlled- aware, focused, automatic- auto-pilot , not focusing full awareness, altered- alcohol, hypnosis, lack of sleep, etc, unconscious- not aware, could be a few moments or long period (coma) Changing your consciousness: hypnosis, meditation (closing eyes or looking downward, breathing, release muscle tension) Meditation- a state of heightened awareness achieved by using focused attention to control one"s mental processes. >certain brain structures are necessary, but not sufficient, for consciousness. Brain damage: coma (greek koma)- deep sleep, persistent vegetative sleep (activity regions of brain are no longer active, brain death, near-death experience. Biological clock- internal clock system, helps us know when it is time to sleep/awake. Circadian rhythm- 24 hour rhythm that tells our body when to sleep, regulated by light/ temp/etc. Without it- asleep or awake all the time.
