Unit 5: States of Conciousness

Key Words:

1. Consciousness - our awareness of ourselves and out environment.

2. Circadian Rhythm- A biological clock

3. REM sleep - rapid eye movement sleep, a reoccurring sleep stage in which vivid dreams occurs

4. Alpha Waves - The relatively slow brain waves of a relaxed awake state

5. Sleep - periodic natural loss of consciousness

6. Hallucinations - false sensory experiences

7. Delta waves- large slow brain waves associated with deep sleep

8. NREM sleep- non-rapid eye movement sleep

9. Insomnia - reoccurring problems in falling or staying asleep

10. Narcolepsy- a sleep disorder characterized by uncontrollable sleep attacks

11. Sleep Apnea- a sleep disorder characterized by temporary cessations of breathing during sleep and repeated momentary awakenings

12. Night terrors - a sleep disorder characterized by high arousal and apperance of being terrified

13. Dream- a sequence of images, emotions and thoughts passing through a sleeping persons mind

14. Manifest content- according to Freud, the remembered story line of a dream  

15. Latent content- according to Freud the underlying meaning of a dream

16. REM rebound- the tendency for REM sleep to increase following REM deprivation

17. Hypnosis- a social interaction in which one person suggests to another

18. Dissociation- a split in consciousness which allows some thoughts and behaviors to occur


Sigmund Freud - came up with manifest and latent content of dreams

Ernest Hilgard- tested his belief of dissociation during hypnosis by hypnotizing people and lowering their arm into an ice bath to show that pain does not register during this state

Major Theories :

- Freud's theory of latent and manifest content

-Hilgards theory of dissociation  

-Hilgards experiment on dissociation - hypnotized people and lowered their arm into an ice bath to determine if you felt pain in the hypnotic state or if your mind was split

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