Prosopagnosia

A man is waiting for his wife outside a restaurant. A woman approaches him. She’s smiling, clearly recognizing him. She starts talking as if they know each other well. He has no idea who she is. He politely engages, trying to figure out from context clues who this person might be. A colleague? A neighbor? Someone from his wife’s social circle? The woman seems confused by his confusion. She touches his arm, says something about “the kids.” ...

Dr. P. was a distinguished music teacher and singer who could tell you the exact interval between any two notes you played. He could identify a Brahms sonata from the first three measures. He could conduct a choir through complex harmonies without missing a beat. But he couldn’t recognize his wife’s face. Worse than that—when Dr. P. went to leave the neurologist’s office after his examination, he reached for his wife’s head and tried to lift it off her shoulders. ...