Some people, however, never develop severe mania but instead experience milder episodes of hypomania that alternate with depression; this form of the illness is called bipolarIIdisorder.
但是,一些人从未发展成严重的躁狂,而是处在较温和的轻躁期。这种形式,我们称为双相ii型。
2
According to the NIMH-funded Course and Outcome of bipolar Youth study, 25% of children with bipolardisorder not otherwise specified (NOS) convert to bipolar I or IIdisorder within about 18 months.