Medical Dictionary
Main Entry:
major depressive disorder Function:
noun : a mood disorder having a clinical course involving one or more episodes of serious psychological depression thatlast two or more weeks each, do not have intervening episodes of mania or hypomania, and are characterized by a loss of interest or pleasure in almost all activities and by some or all of disturbancesof appetite, sleep, or psychomotor functioning, a decrease in energy, difficulties in thinking or making decisions, loss of self-esteem or feelings of guilt, and suicidal thoughts or attempts—compare
BIPOLAR DISORDER
