When Pascual-Leone used TMS to map the motor cortex, he found that the maps for people’s “Braille reading fingers” were larger than the maps for their other index fingers and also those for the index fingers of non-Braille readers. Pascual-Leone also found that the motor maps increased in size as the subjects increased the number of words per minute they could read. But his most surprising discovery, one with major implications for learning any skill, was the way the plastic change occurred over the course of each week.
