Knowing how to recognize a face is essential to every friendship and familybond that a person will make. But if it is so vital, why do some people excel at it, while others struggle to remember acquaintances? New autismresearch points to a single gene mutation as the major culprit behind facial forgetfulness. The aberrant gene in question was the oxytocin receptor, a protein that coats certain brain cells and is designed to respond to oxytocin, the love hormone.
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