I'm not sure there is much evidence that mania is in "the same dimension as depression, only opposite." And, in fact, mixed episodes can occur in those with bip

I'm not sure there is much evidence that mania is in "the same dimension as depression, only opposite." And, in fact, mixed episodes can occur in those with bipolar disorder. https://en.wikipedia.org/wiki/Mixed_affective_state https://en.wikipedia.org/wiki/Mixed_affective_state