Table 1.

Bipolar disorder (BD) types, from BD-0 to BD-6

BD type	Description
BD-0	Schizophrenia
BD-1/2	Schizobipolar disorder
BD-I	'Classic' bipolar disorder
BD-I1/2	Depression with protracted hypomania
BD-II	Hypomania plus major depression
BD-II1/2	Depression superimposed on cyclothymic temperament
BD-III	Recurrent depression, plus hypomania occurring solely in association with antidepressant or other somatotherapy
BD-III1/2	Mood swings that persist beyond stimulant and/or alcohol abuse
BD-IV	Depression superimposed on a hyperthymic temperament
BD-V	Recurrent depressions without discrete hypomania, but mixed hypomanic episodes (irritability/agitation/racing thoughts) during depression
BD-VI	Bipolarity in the frame of dementia