deterioration index

a pattern of subtest scores on the Wechsler Adult Intelligence Scale viewed as suggestive of declines from baseline functioning and used in measuring the degree of reduced performance that can be attributed to a variety of pathologies, including schizophrenia, multiple sclerosis, and dementia. Also called deterioration quotient. See also don’t-hold functions; hold functions.

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Psychology term of the day

January 3rd 2025

unipolar disorder

persistent or pervasive depression that does not involve a manic episode, a hypomanic episode, or a mixed episode. As such, it contrasts with bipolar disorder. The term is sometimes used synonymously with major depressive disorder. Also called unipolar depression.