- a form of schizophrenia characterized by a tendency to remain in a fixed stuporous state for long periods; the catatonia may give way to short periods of extreme excitement ...

- a form of schizophrenia characterized by a tendency to remain in a fixed stuporous state for long periods; the catatonia may give way to short periods of extreme excitement ...

Thus far, the Major Depressive Disorder (MDD) specifier lineup has included some unsavory characters. As if these haven't been difficult enough, there is also the possibility of MDD patients ...