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.

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Psychology term of the day

February 25th 2025

disorders of excessive somnolence (DOES)

Sorry, "disorders-of-excessive-somnolence-does" is not in the Dictionary of Psychology. Please report to APA if you believe this is an error.