Consciousness
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Transcript of Consciousness
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Consciousness
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Overview Consciousness : State of awareness of the internal and
external world. State of Awareness Knowledge of Thoughts External Environment
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Sleep A state of minimal consciousness with reduced
motor and sensory activity
Stage 1: a few minutes (5%)
Stage 2: 45 minutes (20%)
Stage 3 & 4: 1 hour in first cycle (20%)
REM-rapid eye movement (25%)
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Sleep Cycle
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Restorative Theory of Sleep Intended to regenerate your body
Blood directed away from brain to muscles for repair
Immune system is more active
Explains dopey feeling if woken up during stage 3 and 4
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Adaptive Theory of Sleep Sleep-Wake patterns are shaped by evolution
Behaviors are passed down if they increase chance of survival
Adaptive to sleep at night because of hunting, daylight, etc…
Away from predators
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Sleep Deprivation As you get older you get less sleep.
More irritable, decreased reaction time, and memory loss.
Increased risk of disease, type II diabetes, and obesity
Sleep Debt: difference between how much sleep you get vs. need
75% adults experience daytime sleepiness and 34% interferes with everyday life.
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Sleep Disorders Insomnia
Sleep Apnea
Narcolepsy
Sleep paralysis
REM sleep dx
Sleep Sex
Night terror
Nightmares
Sleep Walking
Sleep Eating
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Dreams An array of sensory events experienced during sleep
Average person spends 6 years dreaming.
Psychoanalytic Theory If you had access to id you would never sleep Dreams protect sleep Latent Content: pure id wish Manifest Content: The reported dream
Activation-Synthesis Model Dreams mean nothing Brain is consolidating memories for fast retreval
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Hypnosis Trancelike state in which the subject readily accepts
the hypnotist’s suggestion of changes in consciousness or sensations.
Not all people can focus or imagine a scenario.
People do not go against their principles
Posthypnotic suggestion Behavior or thinking pattern that comes out after
hypnosis
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Theories of Hypnosis Altered State of Consciousness
Hypnosis is a distinct kind of consciousness.
Role Playing You respond to the suggestion because you are
expected to.
Dissociation theory of hypnosis Divided consciousness from executive control
system.
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Meditation A mental practice that regulates attention and
awareness
Not tied to any religion, but can be religious.
Benefits Hypertension Chronic Pain Perception of control Anxiety Depression