Delusional belief about subjective double is called:: (A) Doppelganger, (B) Autoscopy, (C) Delusion of misidentification, (D) Depersonalization
Answer is A. Doppelganger is the delusional belief that there is a subjective double. Delusion of misidentification are of two types - positive and negative. Negative misidentification is called as Capgras syndrome. Positive misidentification is called as Fregoli's syndrome. Autoscopy is looking oneself externally and knowing it as themselves.