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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
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Delusional belief about subjective double is called:
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The correct answer is  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.