And if yours IS, did you ever have a brain MRI? I know I'm reaching here, but... we got the results from difficult child 2's MRI today. They said everything was normal EXCEPT his 4th ventricle is somewhat enlarged... and since that is unrelated to the problem he IS having, the neuro side-stepped that and went on to discuss the problem at hand. So now I'm home and googling stuff on the 4th ventricle, and the one thing that pops up and concerns me is that enlargement in the ventricles is almost always a given in schizophrenia. And with difficult child 2's myriad behavior and mood issues, I worry... So please share your experience with schizophrenia and tell me not to worry!