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| Our awareness of ourselves and our environment |
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| the interdisciplinary study of the brain activity linked with cognition (incudes perception, thinking, memory, and language) |
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| the principle that information is often simulataneously processed on separate conscious and unconscious tracks |
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| the focusing of conscious awareness on a particular stimulus |
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| failing to see visible objects when our attention is directed elsewhere |
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| failing to notice changes in the environment |
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| the biological clock; regular bodily rhythms (temperature and wakefulness) that occur on a 24-hour cycle |
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| Light striking the retina signals the superachiasmatic nucleus (SCN) to suppress the pineal gland's production of the sleep hormone melatonin. At night the SCN slow down allowing for the release of melatonin. |
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| rapid eye movement sleep, a recurring sleep stage during which vivid dreams commonly occur. Also know as paradoxical sleep, because muscles are relaxed but other systems are active. |
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| the relatively slow brain waves of a relaxed, awake state |
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| Periodic, narutal,reversible loss of consciousness-as distinct from unconscious resulting from coma |
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| False sensory experiences such as seeing something in the absence of an external visual stimulus. |
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| large, slow brain waves associated with deep sleep |
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| recurring problems in falling or staying asleep |
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| the sleep disorder characterized by uncontrollable sleep attacks. The sufferer may lapse directly into REM sleep at inopportune times |
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Definition
| sleep disorder characterized by temporary cessations of breathing during sleep and repeated awakenings. |
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| sleep disorder characterized by high arousal and an appearance of being terrified. Occurs within 2-3 hours of falling asleep and is not remembered. |
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Definition
| acording to Freud, the remembered story line of a dream |
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| according to Freud, the underlying meaning of a dream as distinct from a its manifest content. |
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| Satisfy our own wishes, file away memories, develop and preserve neural pathways, make sense of neural static, to refelct cognitive development. |
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| social interaction in which one person sugest to another that certain perceptions, feelings, thoughts, or behaviors will spontatneously occur |
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| suggestion made during a hypnosis session to be carried out after the subject is no longer hypnotized |
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| split in consciousness which allows some thoughts and behaviors to occur simulatenously with others |
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| a chemical substance that alters perceptions and moods |
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Definition
| diminishing effect from regular use of the same dose of a drug, requiring larger doses |
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Definition
| the discomfort and distress that follow discontinuing the use of an addictive drug |
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| a physiological need for a drug, marked by unpleasant withdrawl symptoms when the drug is discontinued |
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| psychological need to use a drug to relieve negative symptoms |
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| compulsive drug craving despite adverse consequences |
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| drugs like alcohol and opiates that reduce neaural activity and slows down bodily function |
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| drugs that depress the activity of the central nervous system, reducing anxiety but impairing memory and judgement |
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Definition
| opium and its derivatives such as morphine and heroin; they depress neural activity, and lessen pain and anxiety |
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Definition
| drugs like caffeine and nicotine that excite neural activity and speed up bodily functions |
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Definition
| drugs that stimulate neural activity causing speed-up body functions, energy and mood changes |
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Definition
| addictive drug that stimulates the CNS with sped-up body functions and reduce dopamine levels |
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Definition
| MDMA a sympathetic stimulant and mild hallucinagen. Produces euphoria and social intimacy but harmful to serotonin procuding neurons and damages mood and cognition. |
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Definition
| drugs that distort perceptions and evoke sensory images in absence of sensory input |
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Definition
| major ingredient in marijuna that triggers a variety of effects include mild hallucinations. |
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