Nonverbal learning disability (NVLD), a poorly understood and often-overlooked disorder that causes problems with visual-spatial processing, may affect nearly 3 million children in the United States, ...

“They’re the most visual-spatial group that we have data on,” Haas said of the Arapahoe School students. Boys at Arapahoe School are vastly more visual-spatial than girls, according to Haas’s research ...