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2009-10-06 15:10:21

Chapter 5
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  1. Consciousness
    • The awareness of internal and external stimuli.
    • 1. awareness of external events
    • 2. awareness of internal sensations
    • 3. awareness of "self" as the unique being having these experiences.
    • 4. awareness of thoughts about these experiences.
  2. electroencephalograph (EEG)
    a device that monitors the electrical activity of the brain over time by means of recording electrodes attached to the surface of the scalp.
  3. Biological Rhythms
    Periodic fluctuations in physiological functioning.
  4. Circadian Rhythms
    24-hour biological cycles found in humans and many other species.
  5. Electromyograph (EMG)
    Records muscular activity and tension
  6. Electrooculograph (EOG)
    Records eye movements
  7. Electrocardiograph (EKG)
    Records the contractions of the heart.
  8. Slow-Wave sleep
    Consists of sleep stages 3 and 4 during which low-frequency delta waves become prominent in EEG recordings.
  9. REM sleep
    Deep stage of sleep marked by rapid eye movements, high-frequency brain waves, and dreaming.
  10. Non-Rem (NREM) Sleep
    Consists of sleep stages 1-4, which are marked by an absence of rapid eye movements, relatively little dreaming, and varied EEG activity.
  11. Insomnia
    • Refers to chronic problems in getting adequate sleep
    • 1. Difficulty in falling asleep initially.
    • 2. Difficulty in remaining asleep
    • 3. Persistent early-morning awakening.
  12. Narcolepsy
    • a disease marked by sudden and irresistible onsets of sleep during normal waking periods.
    • - Directly from wakefulness into REM sleep
  13. Sleep Apnea
    Involves frequent, reflexive gasping for air that awakens a person and disrupts sleep.
  14. Somnambulism
    Sleep walking, occurs when a person arises and wanders about while remaining asleep.
  15. Hypnosis
    A systematic procedure that typically produces a heightened state of suggestibility.
  16. Dissociation
    a splitting off of mental processes into two separate, simultaneous streams of awareness
  17. Meditation
    Refers to family of practices that train attention to heighten awareness and bring mental processes under greater voluntary control.
  18. Psychoactive Drugs
    Chemical substances that modify mental, emotional, or behavioral functioning.
  19. Narcotics
    • or opiates, are drugs derived from opium that are capable of relieving pain.
    • Ex: Heroin and Morphine.
  20. Sedatives
    • Sleep-inducing drugs that tend to decrease central nervous system activation and behavioral activity.
    • Ex: consume larger doses than prescribed for medical purposes.
  21. Stimulants
    • Drugs that tend to increase central nervous system activation and behavioral activity.
    • Ex: caffine, nicotine, cocaine.
  22. Hallucinogens
    • Diverse group of drugs that have powerful effects on mental and emotional functioning, marked most prominently by distortions in sensory and perceptual experience.
    • Ex: LSD
  23. Cannabis
    The hemp plant from which marijuana, hashish, and THC are derived.
  24. Alcohol
    • Encompasses a variety of beverages containing ethyl alcohol.
    • Ex: Beer, wine
  25. MDMA
    or ecstasy, is a compound drug that is related to both amphetamines and hallucinogens, especially mescaline.
  26. Tolerance
    • refers to a progressive decrease in a persons responsiveness to a drug as a result of continued use.
    • - leads to ppl consuming larger and larger doses.
  27. Physical Dependence
    Exists when a person must continue to take a drug to avoid withdrawal illness.
  28. Psychological Dependence
    Exists when a person much continue to take a drug to satisfy intense mental and emotional cravings.