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Psych Ch.7
States of Conciousness
| Question | Answer |
|---|---|
| conciousness | our awareness of ourselves and our environment |
| biological rhythms | periodic psychological fluctuations |
| circadain rhythm | the biological clock; regular bodilt rhythms (for example, of temperature and wakefulness) that occur on a 24-hour cycle |
| REM sleep | rapid eye movement sleep, a recurring sleep stage during which vivid dreams commonly occur. AKA paradoxical sleep, because the muscles are relaxes but other body systems are active |
| alpha waves | the relatively slow brain waves of a relaxed, awake slate |
| sleep | periodic, natural, reversible loss of conciousness - as distinct from unconciousness resulting from a coma, general anesthesia, or hibernation |
| hallucinations | flase sensory experiences, such as seeing something in the abscence of an external visual stimulus |
| delta waves | the large, slow brain waves associated with deep sleep |
| insomnia | recurring problems in falling or staying asleep |
| narcolepsy | a sleep disorder characterized by uncontrollable sleep attacks. The sufferer may lapse directly into REM sleep, often at inappropriate times |
| sleep apnea | a sleep disorder characterized by temporary cessations of breathing during sleep and consequent momentary reawakening |
| night terrors | a sleep disorder characterized by high arousal and an appearance of being terrified; unlike nightmares, night terrors occur during Stage 4 sleep, withing 2 or 3 hours of falling asleep, and are seldom remembered |
| dream | a sequence of images, emotions, and thoughts passing through a sleeping person's mind |
| manifest content | according to Freud, the remembered story line of a dream (as distinct from its latent content) |
| latent content | according to Freud, the underlying meaning of a dream (as distinct from manifest content). Freud believed that a dream's latent content functions as a safety valve |
| hypnosis | a social interaction in which one person (the hypnotist) suggests to another (the subject) that certain perceptions, feelings, thoughts, or behaviors will spontaneously occur |
| posthypnotic amnesia | supposed inability to recall what one experienced durin hypnosis; induced by the hypnotist's suggestion |
| posthypnotic suggestion | a suggestion, made during the hypnosis session, to be carried out after the subject is no longer hypnotized; used by some clinicians to help control undesired symptoms and behaviors |
| dissociation | a split in consciousness, which allows some thoughts and behaviors t occur simultaneously with others |
| hidden observer | Hilgard's term describing a hypnotized subject's awareness of experience, such as pain, that go unreported during hypnosis |
| psychoactive drug | a chemical substance that alters perceptions and mood |
| 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 drug's effect |
| withdrawl | the discomfort and distress that follow discontinuing the use of an addictive drug |
| physical dependence | a psychological need for a drug, marked by unpleasant withdrawl symptoms when the drug is discontinued |
| psychological dependence | a psychological need to use a drug, such as to relieve negative emotions |
| depressants | drugs (such as alcohol, barbiturates, and opiates) that reduce neural activity and slow body functions |
| stimulants | drugs (such as caffine, nicotine, and the more powerful amphetamines and cocaine) that excite neural activity and speed up body functions |
| hallucinogens | psychedelic ("mind-manifesting") drugs, such as LSD, that distort perceptions and evoke sensory images in the absence of sensory input |
| amphetamines | drugs that stimulate neural activity, causing speeded-up body functions and associated energy and mood changes |
| ecstasy (MDMA) | a synthetic stimulant and mild hallucinogen. Produces euphoria and social intimacy, but with short-term health risks and long-term harm to seratonin-producing neurons and to mood and cognition |
| LSD | a powerful hallucinogenic drug; also known as acid (lysergic acid diethylamide) |
| THC | the major active ingredient in marijuana; triggers a variety of effects, including mild hallucinations |
| near-death experience | an altered state of conciousness reported after a close brush with death (such as through cardiac arrest); often similar to drug-induced hallucinations |
| dualism | the presumption that mind and body are two distinct entities tht interact |
| monism | the presumption that mind and body are different aspects of the same thing |
Created by:
Ascuba
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