This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Schizophrenia and other psychotic disorders, Subject name: Psychiatry
Capgras syndrome is 
Select and explain. 
A. delusion of marital infedility, B. delusion of love, C. delusion of persecution, D. delusion of doubles
D: delusion of doubles
Answer: D: delusion of doubles 
Explanation: o Delusion that a familiar person is replaced by an imposter This is more common in Alzeimers demetia and organic conditions. ref.kaplon and sadock, synopsis of psychiatry, 11 th edition, pg No.333