I have read that in the future, bipolar disorder might be more refined, in the sense that there are actually a variety of types of bipolarity within each state of mania, depression, and mixed states. And there is rapid cycling, standard months-long episodes, and so on.
To my knowledge, however, such distinctions have not yet been implemented. Maybe they will be added when the DSM 5 is revised, or when the DSM 6 is released.
It's possible that your therapist has her own system of categorizing bipolar "levels." It would be interesting to ask her for clarification.
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