In March 2020, many schools were closed to prevent the spread of COVID-19 in Japan, and it is predicted that many children, especially those with neurodevelopmental disorders (NDDs), will be affected emotionally and behaviorally. Here, we examined the impact of school closures due to COVID-19 on school-aged children with NDDs using the Child…

This study examined the prevalence of ADHD symptoms and anxiety as reported by parents and teachers for 180 preschool children (ages 4-5) and school-aged children (ages 6-7) with ASD using the Child Behavior Checklist--Parent and Teacher Report Forms (Achenbach and Rescorla, Manual for ASEBA school-age forms & profiles, Research Center for…

To assess prevalence and severity of emotional dysregulation (ED) in psychiatrically referred youth with autism spectrum disorder (ASD). ASD youth (N = 123) were compared to youth with attention-deficit/hyperactivity disorder (ADHD) and controls. The majority of psychiatrically referred youth with ASD had positive Child Behavior Checklist-ED…

We tested the ability of the 2001 CBCL syndromes to discriminate among 86 children with Autism Spectrum Disorder (ASD), 117 children with Attention Deficit Hyperactivity Disorder-Inattentive type, 426 children with Attention Deficit Hyperactivity Disorder-Hyperactive-Impulsive or Combined type, 200 clinically referred children who did not receive…