Across
- 3. experience altered state of consciousness reported after a close brush with death
- 4. sleep disorder; repeatedly stops breathing for short period of times
- 11. attention focusing conscious awareness on a particular stimulus
- 12. causes sped-up body functions and associated energy and mood changes
- 17. psychedelic, distort perceptions and gives sensory images without sensory input
- 18. large, slow brain waves associated with deep sleep
- 20. (MDMA)synthetic stimulant, mild hallucinogen, long-term harm to mood and cognition
- 22. blindness failure to notice changes in the environment
- 25. relatively slow brain waves of a relaxed, awake state
- 26. major active ingredient in marijuana, induces mild hallucinations
- 27. tendency for REM sleep to increase following REM sleep deprivation
- 28. recurring sleep stage where vivid dreams occur; muscles relaxed, other body systems active
- 29. chemical substance that alters perceptions and moods
- 30. powerful hallucinogenic drug; known as acid
Down
- 1. depress the activity of CNS, reducing anxiety but impairing memory and judgment
- 2. sleep disorder; uncontrollable sleep attacks, sometimes lapsing directly into rem sleep
- 5. opium and its derivatives, depress neural activity, temporarily lessening pain and anxiety
- 6. drugs that reduce neural activity and slow body functions
- 7. our awareness of ourselves and our environment
- 8. sequence of images, emotions, and thoughts passing through a sleeping person's mind
- 9. with repeated use, the desired effect requires larger doses
- 10. the remembered story line of a dream
- 13. blindness failure to see visible objects when our attention is directed elsewhere
- 14. recurring problems in falling or staying asleep
- 15. powerfully addictive stimulant, appears to reduce baseline dopamine levels
- 16. internal biological clock; regular bodily rhythms that occur on a 24-hour cycle
- 19. periodic, natural loss of consciousness
- 21. excite neural activity and speed up body functions
- 23. stimulating and highly addictive, found in tobacco
- 24. the underlying meaning of a dream