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Chapter 5

Chapter 5. States of Consciousness California Dreaming – The Mamas and the Papas. Consciousness can take many forms, while other mental processes occur simultaneously outside our awareness. Why is the study of consciousness important?. What Consciousness Does For Us. Restricts our attention

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Chapter 5

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  1. Chapter 5 States of Consciousness California Dreaming – The Mamas and the Papas

  2. Consciousness can take many forms, while other mental processes occur simultaneously outside our awareness Why is the study of consciousness important?

  3. What Consciousness Does For Us Restricts our attention Combines sensation with learning and memory Allows us to create a mental model of the world that we can manipulate

  4. Levels ofConsciousness Present Awareness Conscious Just below awareness Subconscious No Conscious Processing Preconscious Nonconscious Nonconscious Past awareness No awareness Unconscious

  5. Consciousness changes in cycles that correspond to our biological rhythms and the patterns of stimulation in our environment What Cycles Occurin EverydayConsciousness?

  6. What Cycles Occurin EverydayConsciousness? Daydreaming – A common variation of consciousness in which attention shifts to memories, expectations, desires, or fantasies and away from the immediate situation

  7. Sleep and Dreaming Circadian rhythms –Psychological patterns that repeat approximately every 24 hours The sleep cycle involves: ____________ _____________ REM-sleep deprivation leads to __________

  8. The Sleep Cycle

  9. The Function of Sleep Possible functions of sleep include: • ______________________ • ______________________ • _______________________

  10. The Need for Sleep Over the years, the need for REM sleep decreases considerably, while the need for NREM sleep diminishes less sharply

  11. Sleep Debt vs. The Circadian Clock Sleep debt –Deficiency caused by not getting the amount of sleep that one requires for optimal functioning

  12. Why do we dream? Sigmund Freud believed dreams served the following two functions: • To __________________ • To ___________________ Dream content • Varies by culture, gender, and age • Frequently connects with recent experience • May help us form memories

  13. Dreams as Random Brain Activity Activation-synthesis theory – Theory that dreams begin with random electrical activation coming from brain stem; dreams are brain’s attempt to make sense of this random activity

  14. Sleep Disorders Insomnia – Involves insufficient sleep, the inability to fall asleep quickly, frequent arousals, or early awakenings Sleep apnea – Respiratory disorder in which person intermittently stops breathing while asleep

  15. Sleep Disorders Narcolepsy – Involves sudden REM sleep attacks accompanied by cataplexy

  16. Sleep Disorders Night terrors – The screaming of a child in deep sleep, who, once awakened, has no memory of what mental events might have caused the fear

  17. An altered state of consciousness occurs when some aspect of normal consciousness is modified by mental, behavioral, or chemical means What Other Forms Can Consciousness Take?

  18. What Other Forms Can Consciousness Take? Hypnosis Meditation Psychoactive drug states

  19. Hypnosis Hypnosis – Induced state of altered awareness, characterized by heightened suggestibility and deep relaxation Hypnotizability – Degree to which an individual is responsive to hypnotic suggestions

  20. Hypnosis As anAltered State Experts disagree about whetherhypnosis involves A distinct state of consciousness Heightened motivation Social processes such as role playing A dissociate state (Hilgard’s “hidden observer” view)

  21. Practical Uses forHypnosis Hypnosis can have practical uses for ___________________________ ___________________________ ____________________________ Hypnotic analgesia – Diminished sensitivity to pain while under hypnosis

  22. Meditation Meditation – Form of consciousness change induced by focusing on a repetitive behavior, assuming certain body positions and minimizing external stimulation

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