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psych ch 7 vocab
psychology
| Question | Answer |
|---|---|
| consciousness | an individual's state of awareness, including a person's feelings, sensations, ideas, and perceptions |
| REM sleep | a stage of sleep characterized by rapid eye movement, a high level of brain activity, a deep relaxation of the muscles, and dreaming behind closed eyelids |
| circadian rhythm | a regular sequence of biological processes such as temperature and sleep that occurs every 24 hours |
| insomnia | a sleep disorder characterized by recurring problems in falling asleep or staying asleep |
| sleep apnea | a sleep disorder in which a person stops breathing for intervals of 10 seconds or longer, wakes up briefly, resumes breathing, and returns to sleep |
| narcolepsy | a condition characterized by suddenly falling asleep or feeling very sleepy during the day |
| nightmares | unpleasant dreams that contain frightening and anxiety producing images |
| night terrors | sleep disruptions that occur during stage 4 of sleep, involving screaming, panic, or confusion that is seldom remembered |
| sleepwalking | walking or carrying out behaviors while still asleep |
| hallucinations | a false sensory perception that has no direct external cause |
| hypnosis | a state of consciousness resulting from a narrowed focus of attention and characterized by heightened suggestibility |
| posthypnotic suggestions | a suggestion made during hypnosis about preforming a particular behavior in response to a predetermined cue that influences the participant's behavior afterward |
| biofeedback | the process of learning to control bodily states by monitoring the states to be controlled |
| psychoactive drugs | chemicals that affect the nervous system and result in altered consciousness or awareness, influence sensations and perceptions, and modify moods and cognitive processes |
| meditation | a systematic narrowing of the attention on an image, thought, bodily process, or external object with the goal of clearing one's mind and producing relaxation |
| marijuana | the dried leaves and flowers of Indian hemp (cannabis sativa), that produce an altered state of consciousness when smoked or ingested |
| hallucinogens | drugs that often produce hallucinations |
| LSD (lysergic acid diethylamide) | an extremely potent psychedelic drug that produces hallucinations |
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lizhopper2
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