Phi effect patients insist relatives and close friends are unfamiliar, and that their relatives are impostors who just resemble their relatives.

Question

Quizplus · Accepted Answer

The description given refers to Capgras syndrome, not the Phi effect. The Phi effect is a phenomenon of visual perception in which lights or images presented in succession at a certain speed appear to move, whereas Capgras syndrome is a psychological condition where the patient believes that a friend, spouse, parent, or other close family member has been replaced by an identical impostor.

Phi Effect Patients Insist Relatives and Close Friends Are Unfamiliar