<prompt> In catatonic schizophrenia which is not found -Waxy flexibilityAutomatic obedienceSomatic passivityGegenhalten  <response>: Features of catatonic schizophrenia may be:-Excited catatonia:- It is characterized by increased in psychomotor activity, i.e. restlessness, agitation, excitement, aggressiveness, violence. The impulsive activity occurs in response to hallucination and delusions.Stuporous retarded catatonia:- It is characterized by extreme retardation of psychomotor activity. It includes mutism, rigidity, negativism, posturing, stupor, echolalia, echopraxia, catalepsy waxy flexibility, ambitendency, gegenhalten, stereotypies, stupor, mannerism, Grimacing, automatic obedience.Option c d requires specific mention here :-Gegenhalten paratonia is the classical sign of Pronto parietal disease. It is frequently associated with catatonic schizophrenia.Gegenhalten is an involuntary resistance to passive movement due to hypertonia.Somatic passivity :- Bodily sensations, especially sensory symptoms, are experienced as imposed on body by some external force. It is particularly seen in hebephrenic disorganized schizophrenia. 