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Consciousness (Psychoactive Drugs: Substance that alters perception or…

- - - - Drugs that excite neural activity
      - Speed up body functions
      - i.e nicotine, caffeine, cocaine
    - - Psychedelic (mind-manifesting) drug that distorts perception
      - evoke sensory images in the absence of sensory input
      - i.e LSD, TCH
    - - Drugs that decrease neural activity
      - Slow body functions
      - i.e Alcohol, GHB
      - Barbiturates
        
        Depress activity of central nervous system to reduce anxiety; impair memory and judgement
        
        i.e Tranquilizers
      - Opiates
        
        Depress neural activity, temporarily lessening pain and anxiety
        
        Opium and its derivatives - morphine, heroin
- - - - Manifest Content: the dream's plot
      - Latent Content: the symbolic meaning of the dream
      - Dreams
        1) guard sleep
        2) source of wish fulfillment
      - A way to express unacceptable feelings
    - - REM sleep triggers neurons to fire randomly, evoking random memories that the brain turns into stories
      - Brain tries to make sense of random neural firing in various parts of the brain
    - - Dreams help sort the day's events and consolidate memories
      - Filing system
      - Determines what to be kept and what to be thrown away
  - - - Brain wave slow more
      - Brain wave bursts (spindles) are common as well was K-Complexes
        
        Spindles keep person in tranquil state
        
        K- complexes are reactions to outside stimuli
      - Lasts about 20 minutes; awakened without much difficulty; sleep talking occurs
      - About 1/2 of sleep spent in this stage
    - - Brainwave cycle > 1 cycle per second
      - "Rejuvenation stages;" difficult to wake; wetting bed; sleepwalking may occur
      - Last about 30 minutes; brainwaves slow a lot (emit delta waves)
      - Pituitary Gland releases GH
    - - Easily awakened from this stage
      - Dreamlike sensations
      - Lasts 5-10 minutes
      - Slowed breathing, irregular brain waves, images resembling hallucinations
    - - Reoccurring sleep stage where vivid dream commonly occur
      - "Paradoxical Sleep:" muscles are relaxed while other systems are active; body is paralyzed
      - Last about 10 minutes; occurs an hour after falling asleep; cannot easily awakened
      - Rapid brain waves. almost like being awake
        
        Dreams
        
        Heart rate increases; rapid breathing
        
        Eyes dart around
  - - - Uncontrollable sleep attacks
    - - Temporarily stop breathing, forcing the person to wake
    - - Recurring problem of falling or staying asleep
      - Causes: anxiety, depression, health issues, etc.
    - - High alertness and appearance of being terrified
  - - - Large, slow waves of deep sleep
    - - False sensory experiences
    - - Slow waves of a relaxed, awake brain
- - - - i.e Various stages of sleep
  - - - i.e Hibernation