It is estimated that more than 10 percent of children deal with some form of sensory processing disorder (SPD), a neurological disorder characterized by the misinterpretation of everyday sensory information, such as touch, sound, and movement. For many children, SPD can lead to academic struggles, behavioral problems, difficulties with coordination, and other issues. The Sensory Processing Disorder Answer Book is a reassuring, authoritative reference, providing sound advice and immediate answers to your most pressing questions about SPD.