PSY100 Dreams Activity

12345678910
Across
  1. 3. Waves that are not synchronous
  2. 4. Overpowering urge to sleep
  3. 5. Alters perception, thoughts, feelings (MDMA, LSD)
  4. 8. Waves that are synchronous
  5. 9. Caused by high levels of stress induced insomnia (Kenneth Parks)
  6. 10. physical or psychological dependence, or both
Down
  1. 1. Increasing amounts for the same effect
  2. 2. Causes drowsiness, sleep, and death (alcohol, opiates)
  3. 6. Causes the person to be alert, energetic (caffeine, nicotine)
  4. 7. Altered state of consciousness