Elaine Park   Our house is frequently really loud, as my seventh grade son, Drew*, races his long fingers at break-neck speed and top volume, up and down the piano, pounding out the Imperial March from Star Wars or some original composition of his own. His fingers are fast and strong, dexterous and coordinated. They are equally skilled at piecing together intricate creations out of his world-class Lego collection. But because of a neurological quirk, this same child can’t tie his own shoes and has difficulty writing with a pencil or pen. He has a lot to say and wants to share it, but the frustration of handwriting often reduces him to despair, and is a frequent problem when it comes to completing language arts assignments. Like many parents of a child on the autism spectrum, I hope this can be resolved by his learning to type. Once Drew has…