The present study describes two patients, both of Yemenite origin, With cat
atonic schizophrenia who responded to treatment with risperidone. One had a
long history of psychiatric disorder, whereas the other was a first-episod
e, drug-naive patient. Our observation agrees with previous reports on the
use of risperidone and other novel neuroleptic agents in the treatment of c
atatonia of different etiologies.