Bipolar I disorder refers to a mood disorder in which a person has episodes of mania - excited, hyperactive, energetic, grandiose behavior and also periods of deep depression;
the diagnosis used to describe a clinical course in which the individual experiences one or more manic episodes with the possibility, though not the necessity, of having experienced one or more major depressive episodes. Likewise, Bipolar I disorder refers to severe manic symptom accompanied by one or more periods of major depression.
Other /More definition:
Bipolar I disorder refers to the diagnosis used to describe a clinical course in which the individual experiences one (1) or more manic episodes with the possibility, though not the necessity, of having experienced one (1) or more major depressive episodes.
Other /More definition:
bipolar I disorder refers to alternation of major depressive episodes with full manic episodes.