Chapter 4 - States of Consciousness

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  1. Consciousness
    The awareness of the sensations, thoughts, and feelings being experienced at a given moment.
  2. Stage 1 Sleep
    The state of transition between wakefulness and sleep, characterized by relatively rapid,  low-amplitude brain waves.
  3. Stage 2 Sleep
    A sleep deeper than that of stage 1, characterized by a slower, more regular wave pattern, along with momentary interruptions of "'sleep spindles."
  4. Stage 3 Sleep
    A sleep characterized by slow brain waves, with greater peaks and valleys in the wave pattern than in stage 2 sleep.
  5. Stage 4 Sleep
    The deepest stage of sleep, during which we are least responsive to outside stimulation.
  6. REM (rapid eye movement) Sleep
    Sleep occupying 20% of an adult's sleeping time, characterized by increased heart rate, blood pressure, and breathing rate; erections; eye movements; and the experience of dreaming.
  7. unconscious wish fulfillment theory
    Freud's theory that dreams represent unconscious wishes that dreamers desire to see fulfilled.
  8. Latent Content of Dreams
    According to Freud, the 'disguised' meanings of dreams, hidden by more obvious subjects.
  9. Manifest Content of Dreams
    According to Freud, the apparent story line of dreams.
  10. Dreams for Survival Theory
    The theory suggesting that dreams permit information that is critical for our daily survival to be reconsidered and reprocessed during sleep.
  11. Activation-Synthesis Theory
    Hobson's theory that the brain produces random electrical energy during REM sleep that stimulates memories stored in the brain.
  12. Circadian Rhythms
    Biological processes that occur regularly on approximately a 24-hour cycle.
  13. Daydreams
    Fantasies that people construct while awake.
  14. Hypnosis
    A trancelike state of heightened susceptibility tot he suggestions of others.
  15. Meditation
    A learned technique for refocusing attention that brings about an altered state of consciousness.
  16. Psychoactive Drugs
    Drugs that influence a person's emotions, perceptions, and behavior.
  17. Addictive Drugs
    Drugs that produce a biological or psychological dependence in the user so that withdrawal from them leads to a craving for the drug that, in some cases, may be nearly irresistible.
  18. Stimulants
    Drugs that have an arousal effect on the central nervous system, causing a rise in heart rate, blood pressure, and muscular tension.
  19. Depressants
    Drugs that slow down the nervous system.
  20. Narcotics
    Drugs that increase relaxation and relieve pain and anxiety.
  21. Hallucinogen
    A drug that is capable of producing hallucinations, or changes, in the perceptual process.
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Chapter 4 - States of Consciousness
2013-06-25 19:17:41
psychology vocab

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