Neuropsychologist Elkhonon Goldberg devotes a chapter of his recent book _The Wisdom Paradox_ to experimental evidence that the brain grows new nerve tissue when we learn special skills. "The next study compares the size of a cortical area known as the Heschl's gyrus in professional musicians and nonmusicians... This cortical area is critical for sound processing. And guess what - the Heschl's gyrus is twice as large in musicians as in nonmusicians. Furthermore, the greater the intensity of practicing music in the last ten years, the greater the size of the Heschl's gyrus. Again, the relatinship between cognitive activation and specific brain regions is apparent and striking." Ed Sutton
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