A man hits his neighbour. Next day he feels that police is behind him and his brain is being controlled by radio waves by his neighbour. The probable diagnosis is

This patient:- Experiences that he is being persecuted against (police are behind him, he hits the neighbours) —>Delusion of persecution. Experiences that his actions are under the control of some external force (as his brain is being controlled by radio-waves) Passivity phenomenon. "Delusion of persecution may occur in the context of primary delusional experiences, auditory hallucinations, bodily hallucinations or experiences of passivity". _____________________ Fish's clinical psychopathology Importance of history of hitting the neighbour:- "Patient with persecutory delusions are often associated with quarrelousness and angel, and the individual who acts out his or her anger may at times be assaultive or even homicidal". ______________ Kaplan & Sadock's