Medical Genetics Catatonic Type This subtype features gross psychomotor disturbances, i. e, stupor, negativism, mutism, rigidity, excitement, prolonged erection, or posturing. Frequent fluctuation between these extreme physica states is common. Schizophrenics of this type can be the most fun for psychologists to play with. They can be posed like dolls, undressed while they're catatonic and then left in a crowded bus station to regain psychomotor normality, or even substituted for psychiatrists in therapy sessions.Medical Genetics Catatonic Type This subtype features gross psychomotor disturbances, i.e., stupor, negativism, mutism, rigidity, excitement, prolonged erection, or posturing. Frequent fluctuation between these extreme physical states is common. Schizophrenics of this type can be the most fun for psychologists to play with. They can be posed like dolls, undressed while they’re catatonic and then left in a crowded bus station to regain psychomotor normality, or even substituted for psychiatrists in therapy sessions