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

January 26th 2025

chemotherapy

n. the use of chemical agents to treat diseases, particularly cancer, in which case it is contrasted with radiation therapy. —chemotherapeutic adj. —chemotherapist n.