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Psychology Chapter 7
| Question | Answer |
|---|---|
| consciousness | A state of awareness, including a person’s feelings, sensations, ideas, and perceptions. |
| REM sleep | A stage of sleep characterized by rapid eye movements, a high level of brain activity, a deep relaxation of the muscles, and dreaming. |
| circadian rhythm | The rhythm of activity and inactivity lasting approximately one day. |
| insomnia | The failure to get enough sleep at night in order to feel rested the next day. |
| narcolepsy | A condition characterized by suddenly falling asleep or feeling very sleepy during the day. |
| night terrors | Sleep disruptions that occur during Stage IV of sleep, involving screaming, panic, or confusion. |
| sleepwalking | Walking or carrying out behaviors while asleep. |
| hypnosis | A state of consciousness resulting from a narrowed focus of attention and characterized by heightened suggestibility. |
| posthypnotic suggestion | A suggestion made during hypnosis that influences the participant’s behavior afterward. |
| biofeedback | The process of learning to control bodily states with the help of machines monitoring the states to be controlled. |
| meditation | The focusing of attention to clear one’s mind and produce relaxation. |
| psychoactive drugs | Chemicals that affect the nervous system and result in altered consciousness. |
| hallucinations | Perceptions that have no direct external cause. |
| hallucinogens | Drugs that often produce hallucinations. |