Psychoeducational characteristics of children with hypohidrotic ectodermal dysplasia.

Objective: Hypohidrotic ectodermal dysplasia (HED) is an X-linked hereditary disorder characterized by hypohidrosis, hypotrichosis, and anomalous dentition. Estimates of up to 50% of affected children having intellectual disability are controversial.

Method: In a cross-sectional study, 45 youth with HED (77% males, mean age 9.

Brief report: Under-representation of African americans in autism genetic research: a rationale for inclusion of subjects representing diverse family structures.

African American children with autism are seriously under-represented in existing genetic registries and biomedical research studies of autism. We estimated the number of African American children with autism in the St. Louis region using CDC surveillance data and present the outcomes of a concerted effort to enroll approximately one-third of that population into either of two large national genetic autism registries.