The clinical similarity among different neuropsychiatric disorders (NPDs) suggested a shared genetic basis. We catalogued 23,109 coding de novo mutations (DNMs) from 6511 patients with autism spectrum disorder (ASD), 4,293 undiagnosed developmental disorder (UDD), 933 epileptic encephalopathy (EE), 1022 intellectual disability (ID), 1094…

Social relationships can shape the well-being of parents of children with intellectual and developmental disabilities (IDDs). Although much attention has focused on relationships with other family members or professionals, less is known about the place and contributions of informal relationships (i.e., non-family, unpaid others) in the lives of…

Playground design is critical to school-based practice, insuring access and use for all children. The play behavior of children with special needs is qualitatively and quantitatively different than their typically developing peers. However, empirical data is needed to support the therapeutic value of playground equipment used with school-aged…

The study examined the effects of the types of communication breakdowns of the communication partners on the repair strategies of students with severe intellectual disability during interaction within the natural school environment. Forty-eight staff members, divided into two groups based on daily vs. weekly contact with the student, and 12…

Maternal immune activity has been linked to children with autism spectrum disorder (ASD). We examined maternal occupational exposure to asthma-causing agents during pregnancy in relation to ASD risk. Our sample included 463 ASD cases and 710 general population controls from the Study to Explore Early Development whose mothers reported at least one…

Effective vocational instruction is an essential aspect of preparing students with intellectual and developmental disabilities (IDD) for the world of work. We systematically reviewed research on instructional methods used to teach employment skills to secondary students with IDD. We identified 56 studies involving 766 participants with IDD. Four…

Research Findings: The objective of this research was to evaluate the effectiveness of Incredible Years Basic Parent Training (IYPT Basic) in a community clinic setting in Hong Kong. IYPT Basic is a Western program developed to promote children's academic, social, and emotional regulation skills and to reduce conduct problems among typically…