5 - Consciousness

5 - Consciousness - Consciousness What you are aware of...

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Consciousness What you are aware of Can’t attend to all of consciousness at once Fluctuates Sleep / Awake Within those states
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Fluctuations in Alertness Automatic vs. controlled processes Daydreams Purposes? Research: Circadian Rhythms Natural fluctuations in bodily processes
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Circadian Rhythms Natural circadian clock Affected by zeitgebers Suprachiasmatic Nucleus (SCN) Light from retina to SCN Inhibits production of melatonin
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Circadian Rhythms: Fluctuations Nighttime “Post-lunch dip” Disruptions Shift work Jet lag (which direction is harder to travel?)
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Sleep Why do we sleep? Restorative? Evolutionary? Energy Conservation? How much sleep do you need? Average: Range:
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Sleep Deprivation Chronic problem today Effects Can you “catch up” on missed sleep?
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Stages of Sleep Five Stages Stages 1-4 Falling asleep S low-W ave S leep R apid E ye M ovement Stages 1-4: NREM Brain Waves Beta − Theta Alpha − Delta
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Theta Sleep Spindle
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5 - Consciousness - Consciousness What you are aware of...

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