Terms : Hide Images
| our awareness of ourselves and our environment | ||
| the biological clock; regular bodily rhythms that occur on a 24-hour cycle | ||
| rapid eye moment sleep; a recurring sleep stage during which vivid dreams commonly occur. Also known as paradoxical sleep, because the muscles are relaxed (except for minor twitches) but other body systems are active | ||
| the relatively slow brain waves of a relaxed, awake state | ||
| periodic, natural loss of consciousness - as distinct from unconsciousness resulting from a coma, general anesthesia, or hibernation | ||
| false sensory experiences, such as seeing something in the absence of an external visual stimulus | ||
| the large, slow brain waves associated with deep sleep | ||
| non-rapid eye movement sleep; encompasses all sleep stages except for REM sleep | ||
| a sleep disorder characterized by uncontrollable sleep attacks. The sufferer may lapse directly into REM sleep, often at inopportune times | ||
| a sleep disorder characterized by temporary cessations of breathing during sleep and repeated momentary awakenings | ||
| a sleep disorder characterized by a 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 (as distinct from its latent, or hidden, content) | ||
| according to Freud, the underlying meaning of a dream (as distinct from its manifest content) | ||
| 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 split in consciousness, which allows some thoughts and behaviors to occur simultaneously with others | ||
| a chemical substance that alters perceptions and moods | ||
| 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 drug's effect | ||
| the discomfort and distress that follow discontinuing the use of an addictive drug | ||
| 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 | ||
| compulsive drug craving and use, despite adverse consequences | ||
| drugs (such as alcohol, barbiturates, and opiates) that reduce activity and slow body functions | ||
| drugs that depress the activity of the central nervous system, reducing anxiety but impairing memory and judgment | ||
| opium and its derivatives, (such as morphine and heroin); they depress neural activity, temporarily lessening pain and anxiety | ||
| drugs (such as caffeine, nicotine, and more powerful amphetamines, cocaine, and ecstasy) that excite neural activity and speed up the 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 | ||
| an altered state of consciousness reported after a close brush with death (such as cardiac arrest); often similar to drug-induced hallucinations | ||
| the major active ingredient in marijuana; triggers a variety of effects, including mild hallucinations | ||
| a state of psychological equilibrium obtained when tension or a drive has been reduced or eliminated | ||
| recurring problems in falling or staying asleep | ||
| theory that dreams reflect inputs from brain activation originating in the pons, which the forebrain then attempts to weave into a story | ||
| a training program in which a person is given information about physiological processes (heart rate or blood pressure) that is not normally available with the goal of gaining conscious control of them | ||
| the act of deep thinking or reflection | ||
| 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 | ||
| psychedlic drugs, such as LSD, that distort perception and evoke sensory images in the absence of sensory input | ||
| a powerful hallucigenic drug; also known as acid | ||
| Sleep researcher who discovered and coined the phrase "rapid eye movement" (REM) sleep. | ||
| considered dreams the key to understanding our inner conflict | ||
| believed hypnosis invovles not only social influences but also a special state of dissociation |
