Elevated whole blood serotonin, or hyperserotonemia, was the first biomarker identified in
autism spectrum disorder (ASD) and is present in more than 25% of affected children. The …

Autism spectrum disorders are not rare; many primary care pediatricians care for several
children with autism spectrum disorders. Pediatricians play an important role in early …

Handedness has been extensively studied because of its relationship with language and the
over-representation of left-handers in some neurodevelopmental disorders. Using data from …

Autism is a heterogeneous syndrome defined by impairments in three core domains: social
interaction, language and range of interests. Recent work has led to the identification of …

Advances in the fields of cognitive and affective developmental neuroscience,
developmental psychopathology, neurobiology, genetics, and applied behavior analysis …

Autism spectrum disorders (ASDs) are an early onset, heterogeneous group of heritable
neuropsychiatric disorders with symptoms that include deficits in social interaction skills …

The genetic aetiology of autism remains elusive. Occasionally, individuals with Cowden
syndrome (a cancer syndrome) and other related hamartoma disorders such as Bannayan …

Autism is a genetically complex neurodevelopmental syndrome in which language deficits
are a core feature. We describe results from two complimentary approaches used to identify …

Attention-deficit/hyperactivity disorder (ADHD) and autism spectrum disorder (ASD) are both
highly heritable neurodevelopmental disorders. Evidence indicates both disorders co-occur …

Twin and family studies in autistic disorders (AD) have elucidated a high heritability of the
narrow and broad phenotype of AD. In this review on the genetics of AD, we will initially …