Multiple Personalities, Blindness and the Brain

A new paper reports the fascinating and perplexing case of a woman who reported that she was host to multiple personalities – some of whom were completely blind. The paper is called Sight and blindness in the same person: gating in the visual system, authored by German psychologists Hans Strasburger and Bruno Waldvogel.

The patient in this case, “B. T.”, aged 33, has a diagnosis of dissociative identity disorder (DID), a condition formerly known as multiple personality disorder (MPD). B.

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