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Consciousness

Consciousness. Overview. Consciousness : State of awareness of the internal and external world. State of Awareness Knowledge of Thoughts External Environment. Sleep. A state of minimal consciousness with reduced motor and sensory activity Stage 1: a few minutes (5%)

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Consciousness

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  1. Consciousness

  2. Overview • Consciousness : State of awareness of the internal and external world. • State of Awareness • Knowledge of Thoughts • External Environment

  3. 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%)

  4. Sleep Cycle

  5. 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

  6. 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

  7. 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.

  8. Sleep Disorders • Insomnia • Sleep Apnea • Narcolepsy • Sleep paralysis • REM sleep dx • Sleep Sex • Night terror • Nightmares • Sleep Walking • Sleep Eating

  9. 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

  10. 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

  11. 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.

  12. 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

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