One small aesthetic distraction is a strange justification that pushes all of the content into the upper left - hand area of the screen, leaving a large amount of white space elsewhere. (educationworld.com)
Transcranial direct current stimulation (tDCS) of the primary motor hand area (M1) can produce lasting polarity - specific effects on corticospinal excitability and motor learning in humans. (semanticscholar.org)
The previous line of thought was that a certain area of the brain was in charge of hand function, but new research shows that other body parts compensating for the missing hand (like a foot, mouth or arm) just as effectively «light up» the erstwhile hand area. (science.howstuffworks.com)