Heather Rendulic was 23 when she suffered a stroke that disabled her left side. Ten years later, her left arm and hand remain so impaired that she cannot tie her shoes, type with two hands or cut her own food.
But for an extraordinary month, while participating in an innovative study, she suddenly was able to open a padlock with a key, draw a map of Italy, dip a chicken nugget in sauce and eat it with a fork — all with that left hand.