Bach was a German composer of the Baroque period and virtuoso organist. His music is notable for its intellectual rigor and emotional expressiveness. Read Full Biography. 1  Overview 2  â. Biography 3  â. Compositions 4  â. Credits 5  â. Related â.
Diagnostic criteria for bipolar and related disorders are based on the specific type of disorder: 1  Bipolar I disorder. 2  Bipolar II disorder. 3  Cyclothymic disorder. 4  Other types.
bipolar disorder. Bipolar disorder, formerly known as manic depression, is a mood disorder that causes radical emotional changes and mood swings, from manic, restless highs to depressive, listless lows. Most bipolar individuals experience alternating episodes of mania and depression.ipolar II disorder is characterized by major depressive episodes alternating with episodes of hypomania, a milder form of mania. A bipolar depressive episode may be difficult to distinguish from a unipolar major depressive episode.