Is That My Brother? Perceptual and Neurobiological... October 9, 2007

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Face blindness (technically known as prosopagnosia) is a condition in which people with otherwise normal vision cannot discriminate one face from another. They may not be able to pick out their own husband or children in a crowded room or even themselves in a mirror. One woman reported she once had to crinkle her face in a crowded rest room to discriminate herself from others in the mirror. This problem can occur through injury to particular areas within the brain (either through head trauma, stoke or surgery), but it can also occur developmentally. In the latter case, the brain appears completely normal, yet developmental prosopagnosics (DP) have never learned to accurately discriminate faces.

There...