defect theory

the proposition that the cognitive processes and behavioral development of people with intellectual disabilities are qualitatively different from those of their peers without intellectual disabilities. Also called defect orientation; difference hypothesis. Compare developmental theory.

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Psychology term of the day

January 29th 2025

vasoconstrictor

n. any drug or other agent (e.g., the hormone vasopressin) that causes constriction of blood vessels so that the diameter of the vessels is reduced. The vasomotor nerves of the sympathetic nervous system also serve as vasoconstrictors. Vasoconstrictor drugs are used to increase blood pressure that has fallen to dangerously low levels. Also called vasopressor.