vasoconstriction

n. narrowing of blood vessels, which is controlled by vasomotor nerves of the sympathetic nervous system or by such agents as vasopressin or sympathomimetic drugs. It has the effect of increasing blood pressure. See also ergot derivative.

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Psychology term of the day

November 24th 2024

modeling theory

the idea that changes in behavior, cognition, or emotional state result from observing someone else’s behavior or the consequences of that behavior. See observational learning; social learning theory.