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Scientists believe that prosopagnosia is caused by a malfunctioning in a part of the brain known as the fusiform gyrus, which is part of both the occipital lobe and the temporal lobe.

Brain-imaging scans show that illusory faces light up a part of the brain called the “fusiform face area” that is central to all facial recognition.

She had a broad bulge that’s called a fusiform aneurysm, and a coil wouldn’t fix the rupture.

Results showed higher activity in brain regions dedicated to faces, bodies and scenes, compared with the other categories surveyed in the fusiform face area, the extrastriate body area and the parahippocampal place area, respectively.

It is usually caused by damage to the fusiform gyrus in the posterior temporal lobe and anterior portion of the occipital lobe.