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Definition
| The subjective awareness of internal and external events |
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| The internal processes used to set priorities for mental functioning |
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| Different auditory messages are presented separately and simultaneously to each ear. The subject's task is to repeat aloud one message while ignoring the other |
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| The ability to focus on one auditory message and ignore others; also refers to the tendency to notice when your name suddenly appears in a message that you've been actively ignoring |
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| Fast and effortless processing that requires little or no focused attention |
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| A complex disorder of attention characterized by a tendency to ignore things that appear on one side of the body (usually the left) |
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| A psychological disorder marked by difficulties in concentrating or in sustaining attention for extended periods; can be associated with hyperactivity |
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| Biological activities that rise and fall in accordance with a 24 hour cycle |
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| Brian structures that schedule rhythmic variations in bodily functions by triggering them at the appropriate times |
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| The pattern of brain activity observed in someone who is in a relaxed state |
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| The pattern of brain activity observed in stage 1 sleep |
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| The pattern of brain activity observed in stage 3 and stage 4 sleep; it's characterized by synchronized slow waves. Also called slow-wave sleep |
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| A stage of sleep characterized by rapid eye movement and low-amplitude irregular EEG patterns resembling those found in the waking brain. REM is usually associated with dreaming |
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| The tendency to increase time spent in REM sleep after REM deprivation |
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Definition
| According to Freud, the actual symbols and events experience in a dream |
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Definition
| According to Freud, the true psychological meaning of dream symbols |
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| Activation-synthesis Hypothesis |
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Definition
| The idea that dreams represent the brain's attempt to make sense of the random patterns of neural activity during sleep |
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Definition
| A chronic condition marked by difficulties in initiating or maintaing sleep, lasting for periods of at least one month |
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Definition
| A chronic condition marked by excessive sleepiness |
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| A rare sleep disorder characterized by sudden extreme sleepiness |
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Definition
| Frightening and anxiety arousing dreams that occur primarily during the REM stage of sleep |
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| Terrifying experiences, which occur mainly in children, in which the sleeper awakens suddenly in a state of extreme panic |
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| The sleeper arises during sleep and wanders about |
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| Drugs that affect behavior and mental processes through alteration of conscious awareness |
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| An adaptation made by the body to compensate for the continued use of a drug, and as such the user requires increasing amounts of the substance to achieve the same state of physical and behavioral effects |
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Definition
| A condition in which one experiences a physical or a psychological need for continued drug use |
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| Physical reactions, such as sweating, vomiting, changes in heart rate, or tremors, that occur when a person stops taking certain drugs after continued use |
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| A class of drugs that slow or depress the ongoing activity of the central nervous system. (ex: alcohol, barbiturates, tranquilizers) |
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| A class of drugs that increase central nervous system activity, enhancing neural transmission. (Ex: caffeine, nicotine, cocaine, Ecstasy) |
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| A class of drugs that reduce anxiety, lower sensitivity to pain, and elevate mood; opiates often act to depress nervous system reactions (ex: Opium, heroin, morphine) |
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| A class of drugs that tends to disrupt normal mental and emotional functioning, including distorting perception and altering reality. (ex: LSD, mushrooms, marijuana) |
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| A form of social interaction that produces a heightened state of suggestibility in a willing participant |
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| The supposed enhancement of memory that occurs under hypnosis; there is little, if any, evidence to support the existence of this effect |
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Definition
| A hypnotically induced splitting of consciousness during which multiple forms of awareness exist |
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Definition
| A technique for self-induced manipulation of awareness, often used for the purpose of relaxation and self reflection |
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