stroke

n. disruption of blood flow to the brain, which deprives the tissue of oxygen and nutrients, causing tissue damage and loss of normal function and, potentially, tissue death. A stroke may result from a hemorrhage of a blood vessel in the brain (see hemorrhagic stroke) or an embolism or thrombus blocking an artery in the brain (see embolic stroke; thrombotic stroke). This term is often used interchangeably with cerebrovascular accident. See also cerebral infarction; cerebrovascular disease; lacunar stroke; transient ischemic attack.

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Psychology term of the day

February 22nd 2025

industrial democracy

a system of managing an organization in which employees participate in important decisions. An example would be the use of autonomous work groups in which employees determine their work procedures and assignments and are responsible for evaluating and rewarding performance. See also participative decision making; quality circle; Scanlon plan.