Unit 5: Consciousness Key Terms

4. person who found that most humans will sleep 9 hours if uninterrupted.
5. a sequence of images, emotions, and thoughts passing through a sleeping person's mind.
7. the discomfort and distress that follow discontinuing the use of an addictive drug.
8. a sleep disorder characterized by uncontrollable sleep attacks. The sufferer may lapse directly into REM sleep.
10. rapid eye movement sleep; a recurring sleep stage during which vivid dreams commonly occur.
11. according to Freud, the underlying meaning of a dream.
13. our awareness of ourselves and our environment
14. the act of deep thinking or reflection
15. opium and its derivatives; they depress neural activity, temporarily lessening pain and anxiety.
16. the biological clock; regular bodily rhythms that occur on a 24 hour cycle
17. drugs that stimulate neural activity, causing sped-up body functions and associated energy and mood changes.
18. a sleep disorder characterized by temporary cessations of breathing during sleep and repeated momentary awakenings.

1. sleep researcher who discovered and coined the phrase "rapid eye movement" (REM) sleep.
2. drugs that excite neural activity and speed up the body functions.
3. drugs that depress the activity of the central nervous system, reducing anxiety, but impairing memory and judgment.
6. The relatively slow brain waves of a relaxed, awake state
9. according to Freud, the remembered storyline of a dream
12. a split in consciousness, which allows some thoughts and behaviors to occur simultaneously with others.