7th lecture - Consciousness Part One Consciousness: The...

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Unformatted text preview: Consciousness Part One Consciousness: The awareness of internal and external stimuli Various kinds of awareness: Of external events Of internal sensations Of oneself as unique to experiences Of thoughts about experiences 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 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 in accessible to our awareness 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: 1-4 pm Programmed for naps Sleeping and Dreaming Functions of Sleep Memory consolidation Energy conservation Helps restore bodily functions Sleep Deprivation: Decrease immune functions Leads to hallucinations and perceptual disorders Less alert and attentive More irritable Ability to perform simple tasks decline Stages of Sleep Non REM (Rapid Eye Movement) Sleep Stage 1: light sleep, small irregular brain waves, muscles relax...
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7th lecture - Consciousness Part One Consciousness: The...

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