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Psych Unit 4 States of Consciousness
Terms in this set (36)
Awareness of ourselves and our environment
The biological clock; regular bodily rhythms (for example, of temperature and wakefulness) that occur on a 24 hour cycle.
A stage of sleep that occurs approximately every 90 minutes, marked by bursts of rapid eye movements occurring under closed eyelids, REM seep periods are associated with dreaming.
(8-13 Hz) regular and rhythmic, low amplitude, synchronous waves; they indicate a brain is idling - calm, relaxed state of wakefulness
An altered state of consciousness in which the individual's perception of and reaction to the environment are decreased.
-False sensory perceptions that are not in response to an external stimulus
the large, slow brain waves associated with deep sleep
Quiet, typically dreamless sleep in which rapid eye movements are absent; divided into four stages; also called quiet sleep.
Difficulty falling and staying asleep
A sleep disorder characterized by uncontrollable sleep attacks. The sufferer may lapse directly into REM sleep, often during times of stress or joy
A sleep disorder characterized by temporary cessations of breathing during sleep and repeated momentary awakenings.
A sleep disorder characterized by high arousal and an appearance of being terrified; unlike nightmares, night terrors occur during Stage 4 sleep, within two or three hours of falling asleep, and are seldom remembered
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 and later difficulties remembering it.
According to Freud, the remembered story line of a dream
According to Freud, the underlying meaning of a dream
The tendency for REM sleep to increase following REM sleep deprivation (created by repeated awakenings during REM sleep)
A social interaction in which one person suggests to another that certain perceptions, feelings, thoughts, or behaviors will spontaneously occur
A suggestion, made during a hypnosis session, to be carried out after the subject is no longer hypnotized; used by some clinicians to help control undesired symptoms and behaviors.
A separation from the self, with the most severe resulting in Dissociative Identity Disorder. Most of us experience this in very mild forms such as when we are driving long distance and lose time or find ourselves day dreaming longer than we thought.
Chemical substances that alter perceptions and mood
A progressive decrease in a person's responsiveness to a drug.
A pattern of uncomfortable or painful physical symptoms and cravings experienced by the user when the level of drug is decreased or the drug is eliminated.
A physiological need for a drug, marked by unpleasant withdrawal symptoms when the drug is discontinued.
A psychological need to use a drug, such as to relieve negative emotions
A physiological or psychological dependence on a drug
Drugs (such as alcohol, barbiturates, and opiates) that reduce neural activity and slow body functions.
A category of depressant drugs that reduce anxiety and produce sleepiness. Reduces REM sleep
Heroin and morphine. Breathing slows, user becomes lethargic
Drugs (such as caffeine, nicotine, and the more powerful amphetamines, cocaine, and Ecstasy) that excite neural activity and speed up body functions.
Drugs that stimulate neural activity, causing sped up body functions and associated energy and mood changes
A powerfully addictive drug that stimulates the central nervous system, with sped up body functions and associated energy and mood changes; over time, appears to reduce baseline dopamine levels
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 and cognition.
A diverse group of drugs that have powerful effects on mental and emotional functioning, marked most prominently by distortions in sensory and perceptual experience.
A powerful hallucinogenic drug; also known as acid. Can cause PTSD and schizophrenia. Geometric patterns.
an altered state of consciousness reported after a close brush with death (such as through cardiac arrest); often similar to drug-induced hallucinations
Active ingredient in marijuana
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