A 39 years old male patient presents with waxy flexibility, negativism and rigidity. Most probable diagnosis is?: (A) Excitatory catatonia, (B) Stuporous catatonia, (C) Paranoid schizophrenia, (D) None
Answer is B. Ans. B. Stuporous catatonia Stuporous (retarded) catatonia : Characterized by extreme retardation of psychomotor function, which includes mutism, rigidity, negativism, posturing, echolalia, Echopraxia, Catalepsy (waxy flexibility), ambitendency, gegenhalten, streotypies, stupor, Mannerism, Grimicing, Automatic obedience, and verbigeration.