Definitions for "Affective disorder"
Keywords:  mood, bipolar, mania, depression, manic
any mental disorder not caused by detectable organic abnormalities of the brain and in which a major disturbance of emotions is predominant
A category of disorders in which the individual experiences excessive depression or elation. Examples include depression and bipolar disorder (manic-depression).
When someone experiences moods that are not appropriate to his or her circumstances, or which are inappropriately intense.