Aim and Background: Sensory integration improves children's ability to process and organize sensory information. The outcome of the brain’s ability to organize sensory information is improved performance and life skills, emotional growth, and general development. The aim of the current research was to investigate the efficacy of sensory integration on neuropsychological skills of children with attention deficit hyperactivity disorder (ADHD). Methods and Materials: This experimental study was conducted through pretest and posttest and with a control group on 20 elementary school students in Isfahan, Iran, with ADHD. The participants were selected using random cluster sampling method, and then assigned randomly to experimental and control groups. The data collection tools consisted of Conner’s Parent and Teacher Rating Scales and Conner’s Neuropsychology Questionnaire. The collected data were analyzed in SPSS using covariance analysis. Findings: A significant difference was observed in the posttest stage between the control and experimental groups in terms of neuropsychological skills (P < 0.001). Conclusions: It can be concluded that sensory integration training affects children's neuropsychological skills, and thus, can be used in rehabilitation and education of children with ADHD. The use of this training method in preschools is recommended in order to prevent the incidence of ADHD.
