This issue of Trends in Neuroscience in Education offers some fresh perspectives on developmental dyscalculia. Here we present an overview of different theoretical approaches to identifying and defining developmental dyscalculia, and a consideration of critical measurement and experimental issues. We note a series of important caveats that must be applied when interpreting the existing research...

introduction: previous studies have emphasized the importance of early detection of children with developmental coordination disorder (dcd) to prevent the development of secondary academic, emotional and social manifestations of the disorder. a better understanding of these issues is the need for a valid measurement tool. parent report has the potential for providing historical knowledge of the...

We followed 74 children with autistic disorder (AD) and 39 children with pervasive developmental disorder not otherwise specified (PDD NOS) for 17-38 years in a record linkage study. Rates of disability pension award, marital status, criminality and mortality were compared between groups. Disability pension award was the only outcome measure that differed significantly between the AD and PDD NO...

Autism, the prototypical pervasive developmental disorder, is characterized by impaired communication and social interaction, and by repetitive interests and behaviours. The core disorder probably affects around 5:10 000 individuals, of whom some three-quarters are male. Onset is in the first three years of life, and the disorder is associated with lifelong disabilities. Because of the clear ev...