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Psychology unit 7
| Term | Definition | ||
|---|---|---|---|
| Consciousness | State of awareness | ||
| REM sleep | A stage of sleep characterized by rapid eye movement, a high level of brain activity, a deep relaxation of sleep. | ||
| Insomnia | The failure to get enough sleep at night in order to feel rested the next day. | ||
| Sleep apnea | A sleep disorder in which a person has trouble breathing while asleep. | ||
| Circadian rhythm | The rhythm of activity and inactivity lasting approximately one day. | ||
| Narcolepsy | A condition characterized by suddenly falling asleep or feeling very sleepy during the day. | ||
| Nightmares | Unpleasant dreams | ||
| Night terrors | Sleep disruptions that occur during Stage IV of sleep, involving screaming, panic, or confusion. | ||
| Sleepwalking | Walking or carrying out behaviors while asleep. | ||
| Daydreams | Low key of awareness and involves fantasizing or dreaming while we are awake. | ||
| Post hypnotic suggestion | A suggestion made during hypnosis that influences the participant's behavior afterward. | ||
| Meditation | The focus of attention to clear one's mind and produce relaxation. | ||
| Hypnosis | A state of consciousness resulting from a narrowed focus of attention and characterized by heightened suggestibility. | ||
| Biofeedback | The process of learning to control bodily states with the help of specialized machines. | ||
| Psychoactive drugs | Chemicals that affect the nervous system and result in altered consciousness. | ||
| Depressants | Relaxant; relieve inhibitions; impairs memory and judgment | ||
| Stimulants | Increase energy and alertness | ||
| Nicotine | Mixed stimulant-depressant | ||
| Hallucinations | Perceptions that have no direct external cause. | ||
| Opiates | Usually called narcotics, include opium, morphine, and herion. |