This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Psychiatry
A person thinks that others are implanting a machine on his head. It is an example of? 
Select and explain. 
A. Bizarre delusions, B. Non bizarre delusions, C. Hallucinations, D. Illusion
A: Bizarre delusions
Answer: A: Bizarre delusions 
Explanation: Ans. is'a'i.e., Bizarre delusionRef: Niraj Ahuja 6h/e p. 59)A bizarre delusion is a delusion that is very strange and completely implausible (impractical for the person's culture); for example a bizarre delusion would be that aliens have removed the affected person's brain.Bizarre delusions are characteristic of schizophrenia.