Bad Readout from DNA: Genes that act on brain may promote dyslexia

Four independent studies from the United States, Germany, and England implicate two genes in fostering dyslexia. The genes contribute to early brain development.

Dyslexia, a learning disorder that afflicts at least 5 percent of elementary school children, is characterized by difficulties in perceiving sounds within words, spelling and reading problems, and troubles with written and oral expression.