“Albert Einstein’s brain did not reveal the secret of his genius. But it did show that the brain area devoted to his left fingers had expanded – forming a giant fold in his cortex called the Omega sign, shaped like the Greek symbol – all thanks to his less commonly known passion for playing the violin. This fold becomes enlarged in experienced violin players, who intensively develop fine dexterity with the fingers of their left hand. Piano players, in contrast, develop an Omega sign in both hemispheres, as they use both hands in fine, detailed movements”
Excerpt From
Brain : The Story of You
Eagleman, David