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Unit 5 Terms.
States of Consciousness
| Term | Definition |
|---|---|
| Circadian rhythm | The biological clock; regular bodily rhythms that occur on a 24-hour cycle |
| Alpha waves | The relatively slow brain waves of a relaxed, awake state |
| Sleep | Periodic, natural loss of consciousness-as distinct from unconsciousness resulting from a coma, general anesthesia, or hibernation |
| Hallucinations | False sensory experiences, such as seeing something in the absence of an external visual stimulus |
| Sleep apnea | A sleep disorder characterized by temporary cessations of breathing during sleep and repeated momentary awakenings |
| Dream | A sequence of images, emotions, and thoughts passing through a sleeping person's mind. Dreams are notable for their hallucinatory imagery, discontinuities, and incongruities, and for the dreamer's delusional acceptance of the content |
| Consciousness | Our awareness of ourselves and our environmnent |
| REM sleep | Rapid eye movement sleep; a recurring sleep stage during which vivid dreams commonly occur. |
| Manifest content | According to Freud, the remembered story line of joy |
| Dissociation | A split in consciousness, which allows some thoughts and behaviors to occur simultaneously with others |
| Withdrawal | The discomfort and distress that follow discontinuing the use of an addictive drug |
| Addiction | Compulsive drug craving and use, despite adverse consequences |
| Barbiturates | Drugs that depress the activity of the central nervous system, reducing anxiety but impairing memory and judgement |
| Amphetamines | Drugs that stimulate neural activity, causing speeded up body functions and associated energy and mood changes |
| Ecstasy | A synthetic stimulant and mild hallucinogen. Produces euphoria and social intimacy, but with short-term health risks and longer-term harm to serotonin-producing neurons and to mood cognition |
| Narcolepsy | Sleep disorder charcterized by uncontrollable sleep attacks |
| Night Terrors | Sleep disorder characterized by high arousal and an appearance of being terrified; seldom remembered |
| Latent content | According to Freud, the underlying meaning of a dream |
| Posthypnotic suggestion | A suggestion made during a hypnosis session to be carried out aftre the subject is no longer hypnotized |
| Tolerance | The diminishing effect with regular use of the same dose of a drug requiring the user to take larger and larger doses before experiencing the drugs effect. |
| Psychological dependence | A psychological need to use a drug such as to relieve negative emotions |
| Stimulants | Drugs that excite neural activity and speed up body functions |
| LSD | A powerful hallucinogenic drug; acid |
| Hallucinogens | Psychedelic drugs that distort perceptions and evoke sensory images in the absence of sensory input |
| Near-Death Experience | An altered state of consiousness reported after a close brush with death; often similar to drug induced hallucinations |
| Paradoxical Sleep | (AKA REM sleep) The muscles are relaxed but the other body systems are active |
| Methamphetamines | Powerfully addictive drug that stimulates the central nervous system, speeded up body functions and associated energy and mood changes |
| Opiates | Depress neural activity, temporarily lessening pain and anxiety |
| THC | The major active ingredient in marijuana, triggers effects such as hallucinations |
| Insomnia | Recurring problems in falling asleep or staying asleep |
| NREM Sleep | Non REM sleep, all stages of sleep except REM |
| REM Rebound | Tendency for REM sleep to increase following sleep deprivation |
| Dualism | The view that the mind and body function separately, without interchange |
Created by:
APPsychology
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