consciousnesspart1outline 9-18

consciousnesspart1outline 9-18 - Consciousness Part One...

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Consciousness Part One
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Consciousness: The awareness of internal and external stimuli Various kinds of awareness: Of external events Of internal sensations Of oneself as unique experiences Of thoughts about experience
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Subliminal Perception Subliminal Perception: can we be unaware of things and have them still have an impact? James Vicary and “Drink Coke and Eat Popcorn” Krosnick study: subliminal messages may shape attitudes without conscious awareness
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Freud and Consciousness Three Levels of Consciousness Conscious: mental events we are aware of Preconscious: mental events that can be brought to our awareness Unconscious: mental events inaccessible to our awareness
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Circadian Cycles - Individuals have different internal clocks - Most run on a 24 hour cycle - Almost all are set for sleep at night - Night time sleepiness: 2am-6am peak - Siesta Zone: 1-4pm - Programmed for naps
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Sleeping and Dreaming Functions of Sleep Memory Consolidation Energy Conservation Helps restore bodily functions
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Sleep Deprivation Decrease immune functions Leads to hallucinations and perceptual disorders Less alert and attentive More irritable Ability to perform simple tasks declines
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Stages of Sleep Non REM (Rapid Eye Movement) Sleep Stage 1: light sleep, small irregular brain waves, muscles relax Stage 2: high peaking waves, sleep spindles, burst of electrical activity Stage 3: Deep sleep, Delta waves, slow with high peaks Stage 4: Progressively more Delta Waves (Deep Sleep) Cycle: 1, 2, 3, 4, 3, 2, then go to REM sleep
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