The present study examined the prevalence of comorbid anxiety symptoms in 44 children with pervasive developmental disorders. Parents of the children were interviewed using the Anxiety Disorders section of the Diagnostic Interview Schedule for Children. Results indicated that severe anxiety symptoms are highly prevalent in children with pervasive developmental disorders: 84.1% of the children m...

OBJECTIVE To study the relationship between child psychiatric disorders and quality of life (QoL). METHOD In a sample of 310 children (ages 6-18 years) referred for psychiatric problems, children, parents, and clinicians reported on psychopathology and subjective and objective QoL indicators. RESULTS Six diagnostic categories were distinguished: attention-deficit and disruptive behavior dis...

Autism and Asperger syndrome are diagnostic entities in a family of neurodevelopmental disorders disrupting fundamental processes of socialization, communication and learning, collectively known as pervasive developmental disorders. This group of conditions is among the most common developmental disorders, affecting 1 in every 200 or so individuals. They are also the most strongly genetically r...

This article reviews epidemiological studies of autism and related disorders. Study designs and sample characteristics are summarized. Currently, conservative prevalence estimates are: 13/10000 for autistic disorder, 21/10000 for pervasive developmental disorders not otherwise specified, 2.6/10000 for Asperger disorder, and 2/100000 for childhood disintegrative disorder. Newer surveys suggest t...

Developmental dyscalculia (DD) is a learning disorder affecting the acquisition of school level arithmetic skills present in approximately 3-6% of the population. At the behavioral level DD is characterized by poor retrieval of arithmetic facts from memory, the use of immature calculation procedures and counting strategies, and the atypical representation and processing of numerical magnitude. ...

Autism is a Neurobehavioral disorder which includes the person communication, social interaction and behaviour. Autism Children are less able to interact with world than others. Autism is called a “spectrum” disorder because children’s covers large spectrum of symptoms and severity. Autism spectrum disorder (ASD) is a highly heterogeneous neuro-developmental condition with multiple causes and c...

BACKGROUND Concern that measles-mumps-rubella (MMR) vaccination might cause autism has led to a fall in vaccine coverage. We investigated whether MMR vaccination is associated with an increased risk of autism or other pervasive developmental disorders. METHODS We did a matched case-control study using the UK General Practice Research Database. Cases were people born in 1973 or later who had f...