Consciousness-5 - Consciousness -what comes into your mind...

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Consciousness -what comes into your mind is that which is more important to you -stroop test: red blue green Functions of Consciousness A. Simplification and selection of informatio n= our consciousness helps to tune out any irrelevant info and helps to tune in the important info B. Guides and oversees action = actions need to be guided and planned (when and where to get to class, how, when to speak and when not to speak, etc.) C. Set priorities for action = what is most important information we need to attain to at one time Structures of Consciousness A. Consciousness = that which we are aware of at any particular moment B. Preconscious memory =stored info we have, allow us to a. Episodic-those memories with specific episodes or memories in our lives(riding bike, 4 th grade teacher) b. Representational- stored knowledge (where Greece is) C. Nonconscious/automatic = we don’t notice it until we need it; auto functions of the body D. Unconscious processes/repression = material which is below level of consciousness; may be retrievable through certain features(hypnosis) E. Unconscious = based on Sigmund Froid’s method; where we hold our unwanted fears, unwanted thoughts, things that we don’t want to think about Daily Changes in Consciousness A. Biological/circadian rhythms= a. Basic rhythm=1 day cycle b. Light/dark cycle, eating cycle, wake cycle B. Daydreams and fantasies= a. Some people are morning people, some are night-depends on pysciology b. People will shift attention from external environment to internal environment c. Very common d. Occurs when outside events are boring around them/no change in environment
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e. Most people think about mundane things (to do list), more immediate and practical concerns C. Sleep 1. Functions of sleep…why do we sleep? a. Conservation - more than likely to survive if we stay still at night; conserve our food at night b. Restoration- neurochemicals are going on in our bodies at night to restore our biochemistry 2. Amount of Sleep…how much do we need? -average is about 7 ½ hours of sleep a night -Sleep Deprivation- 3 days (no sleep) person is disoriented and perceptions start to change -after 7 hours, they are restored 3. Measurements a. EEG-electroencephalogram-measures brain wave activity b. EOB-electroculogram- measure eye movements c. EMG-electromyogram- measures muscle activity 4. Stages of sleep a. NonREM i. Stages 1-4=pattern is brain waves become increasingly irregular ii. Stage 4- hardest to wake them up (sleep walking); kids have night terrors and its very serious and dangerous b. REM i. brain waves more regular ii. person is sound asleep iii. go from stage 1-4, then back from 4-1, on and on
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This note was uploaded on 04/10/2011 for the course PSYCH 101 taught by Professor Sabin during the Spring '09 term at Saint Louis.

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Consciousness-5 - Consciousness -what comes into your mind...

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