Capgras' syndrome

Capgras' syndrome

A rare delusional disorder in which the sufferer is convinced that someone emotionally close, has been replaced by an exact double with evil intentions. (Jean Marie Joseph Capgras, 1873–1950, French psychiatrist).
References in periodicals archive ?
"Capgras' Syndrome." American Journal of Psychiatry 140 (1983): 969-79.
For example, Ramachandran describes a case of Capgras' syndrome in which a man awakened from a coma feeling attachment to his dog but nothing for his mother.