Background: Previous research on the etiology of ADHD symptoms suggests that neuropsychological differences may be present as early as birth; however, the diagnosis is typically not given until school age. This study aimed to (a) identify early behavioral and cognitive markers of later significant parent and/or teacher ratings of ADHD…

This article focuses on the possibility that autism spectrum disorder (ASD: Asperger syndrome, autism and atypical autism) in its milder forms may be clinically important among a substantial proportion of patients with obsessive-compulsive disorder (OCD), and discusses OCD subtypes based on this proposition. The hypothesis derives from extensive…

This article notes that children with developmental difficulties may exhibit qualitatively different behaviors in addition to or instead of developmental delay. It offers a rationale for neurobehavioral assessment and describes a new instrument, Neurobehavioral Indicators of Atypical Development, that is designed to assist in early screening and…

This monograph presents 11 papers on a study of the problem of specific diagnosis with children who do not communicate effectively. About 500 children with inadequate communication skills, selected as having a developmental language disorder, autism, or low IQ without autistic features, were studied by a multidisciplinary team. Data collected…