Unit 1 Review: States of Consciousness Name: Directions: Please answer each question thoroughly on a separate sheet of paper. 1. Describe what it means to be "conscious." 2. List the different levels or types of consciousness that we have, whether they are active or passive and naturally occurring or artificially induced. 3. What do scientists believe the purpose of consciousness is? 4. Define: cocktail party effect, selective attention, inattentional blindness, hypnic jerk 5. Define circadian rhythm and explain why humans sleep at night. 6. Describe each stage of sleep, 1-4 plus REM stage 5, including their types of brain waves. 7. Describe the sleep cycle (order of stages, length) 8. Describe the causes and symptoms of: sleep apnea, narcolepsy, insomnia, and night terrors. 9. Describe the consequences of sleep deprivation. 10. Explain the science of addiction (how the brain becomes addicted to a drug). 11. List the different classes of drugs and how they alter consciousness (their side effects) 12. Classify: alcohol, nicotine, caffeine, 13. Define: Withdrawal, Tolerance, Addiction 14. Define hypnosis and describe how it has been helpful in pain management.