The psychiatric definition of bipolar spectrum disorders becomes more and more complicated as researchers learn more, so let's just focus on the three core diagnoses: Bipolar I, Bipolar II, and Cyclothymia.
People with Bipolar I experience mania and depression and possibly mixed episodes. Mania has severe symptoms not present in hypomania, such as hallucinations and delusions.
Those with Bipolar II experience hypomania and depression and possibly mixed episodes.
People with Cyclothymia...

