| A | B |
| Consciousness | Our awareness of our selves and our environment |
| Biological Rhythms | The periodic physiological changes in the body |
| Circadian Rhythms | The "Biological Clock"; the regular cycles that happen in ourselves and nature |
| REM | Rapid Eye Movement sleep; where dreams are most vivid |
| Alpha Waves | the relatively slow brain waves of a relaxed, awake state |
| Beta Waves | The small, irregular wave pattern of being alert and awake |
| Delta Waves | The large, slow brain waves associated with deep sleep |
| Hallucination | False sensory experiences |
| Insomnia | Difficulty falling or staying asleep |
| Narcolepsy | Uncontrollable sleep attacks |
| Sleep Apnea | Stopping breathing while sleeping; waking as a result; associated with snoring and obesity |
| Night Terrors | High arousal state; Bad dreams that happen when the body is in deep sleep |
| Nightmares | Bad dreams that happen during REM |
| Dream | A sequence of images, emotions, and thoughts passing through sleeping mind |
| Manifest Content | The actual remembered story of a dream |
| Latent Content | The hidden meaning of a dream |
| Hypnosis | An Altered state of consciousness; characteristed by placing "suggestions" in people's minds |
| Dissociation | A split in consciousness; allowing thoughts and behaviors to occur without knowing it |
| Psychoactive Drugs | A chemical substance that alters perceptions and mood |
| Tolerance | The more you use a drug, the more it takes to feel the same "high" |
| Withdrawal | The discomfort felt following the discontinued use of an addictive drug |
| Physical Dependence | When a person has a need for a drug brought on by withdrawal symptoms |
| Psychological Dependence | The need to use a drug to relieve negative emotions or escape reality |
| Addiction | A compulsive craving and use of a drug |
| Depressants | Alcohol, Barbituates; they slow down body functions |
| Stimulants | Cocaine, Crack, Speed; they quicken body functions |
| Opiates | Opium, Morphine, Heroin; they mimic the pain killing endorphins of our body |
| Halluginogens | LSD, PCP (angel dust), Ecstacy; mind altering drugs that produce hallucinations |
| Marijuana | THC compound; difficult to classify in drug categories; effects people in many different ways |
| Near-Death Experience | An altered state of consciousness reported after a close brush with death |
| Dualists | Believe the mind and body are separate, but interacting |
| Monists | Believe the mind and body are different aspects of the same thing |