This is also known as clonal pluralization of the self, another type of delusional misidentification syndrome that may or may not be the same type of disorder (see #Controversy, below). In this case, depersonalization may be a symptom.[2] Reverse subjective doubles occurs when the patient believes his/her own self (either physical or mental) is being transformed into another person.[1][3][12] (see the case of Mr. A in #Presentation)