The origins of literacy: Reading may involve unlearning an older skill

The Economist:

LEONARDO DA VINCI had many talents, including the ability to read (and write) mirror-writing fluently. Most adults find this extremely difficult, but new evidence suggests that recognising mirror images comes naturally to children. The 7th Forum of European Neuroscience, held in Amsterdam this week, heard that learning to read requires the brain's visual system to undergo profound changes, including unlearning the ancient ability to recognise an object and its mirror image as identical.

Stanislas Dehaene, a cognitive neuroscientist at the French medical-research agency, INSERM, believes that skills acquired relatively recently in people's evolutionary past must have piggybacked on regions in the brain that originally evolved for other purposes, since there has not been time for dedicated neural systems to develop from scratch..

Posted by Jim Zellmer at July 16, 2010 4:32 AM
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