Untitled Flashcards

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Circadian rhythm

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biological rhythm that occurs over around 24 hours

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Consciousness

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Awareness of internal and external stimuli

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Depressant

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Drug that tends to suppress central nervous system activity

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Homeostasis

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tendency to maintain a balance within a biological system

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Latent content

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hidden meaning of a dream, perSigmund Freud's view of the function of dreams

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Manifest content

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storylind of events that occur during a dream, per Sigmund Freud's view of the function of dreams.

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Melatonin

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hormone secreated by the endocrine gland that serves as an important regulator of the sleep-wake cycle.

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Narcolepsy

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Sleep disorder in which the sufferer cannot resist falling to sleep at inopportune times

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Physical dependence

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changes in normal bodily functions that cause a drug user to experience withdrawl symptoms upon cessation of use.

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Psychological dependence

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emotional, rather then physical, need for a drug which may be used to relieve psychological distress.