Noetic, where did you get your statistics about the comorbidity of Aspergers and Bipolar? One thing I do know for sure is that bipolar disorder is much more common than any autistic spectral disorder. I've read at the NIMH website that 1 in 50 people is affected by it, whereas Asperger syndrome is something like 1 in 1000(the Maximum possible frequency).What I have been told by professionals is that there is an Extremely high comorbidity of Aspergers with OCD-which to me makes total sense. Being an aspie myself and being around bipolar people when they are manic, I would say that the preoccupational interests of aspies is really not like bipolar mania but more like OCD.Many bipolar folks can be scatterbrained when they're manic-almost like people with ADD only more extreme.