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waking center

an obsolete name for an area of the posterior hypothalamus formerly thought to control waking from sleep. It has now been shown that the sleep–wake cycle is governed by a number of areas in the brain, including the hypothalamus and reticular activating system. See also sleep center.

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Psychology term of the day

June 19th 2024



n. in infants, lack of psychomotor response or failure to gain weight or produce purposeful behavior, often thought to be a response to separation from mothers and subsequent institutionalization. See also reactive attachment disorder.