A 30 year old schizophrenic female attacks her mother believing that aliens have replaced her with an exact double. What condition is she suffering from?

Capgras Syndrome. [Capgras syndrome is an irrational belief that a familiar person or place has been replaced by a duplicate.

• Ganser syndrome is a fictitious disorder in which a patient deliberately acts as if he has a physical or mental illness when he doesn’t have it.

• Todd syndrome/Alice In Wonderland syndrome/Lilliputian syndrome is a disorienting neurological condition affecting human perception of size, shape and time.

• Fregoli syndrome is a delusion of doubles, a delusional belief that different ppl are infact a single person in disguise or change appearance.

• Cotard’s syndrome/Nihilistic delusions is ‘walking corpse syndrome’, the person think they are dead or that one of their organs has stopped functioning].