dual diagnosis

the identification of two distinct disorders that are present in the same person at the same time, for example, the coexistence of depression and a substance dependence disorder (e.g., alcohol or drug dependence). See also comorbidity.

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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.