Heterogeneity within autism spectrum disorder (ASD) is recognized as a challenge to both
biological and psychological research, as well as clinical practice. To reduce unexplained …

ASD research is at an important crossroads. The ASD diagnosis is important for assigning a
child to early behavioral intervention and explaining a child's condition. But ASD research …

To reduce phenotypic heterogeneity of Autism spectrum disorders (ASD) and add to the
current diagnostic discussion this study aimed at identifying clinically meaningful ASD …

This study was a replication of Mazefsky et al.'s (Journal of Autism and Developmental
Disabilities 43: 1236–1242, 2013) investigation among a sample of 45 high ability children …

This study examines medical conditions diagnosed prior to the diagnosis of autism spectrum
disorder (ASD). Using a matched case control design with 3911 ASD cases and 38,609 …

(1) Background: The study deepens the diagnosis of “pervasive developmental disorder not
otherwise specified”(PDD-NOS), a subthreshold diagnosis introduced in DSM-IV and then …

Despite sleep disturbance being a common complaint in individuals with autism, specific
sleep phenotypes and their relationship to adaptive functioning have yet to be identified …

Across their lifespan, individuals with Down syndrome face various challenges in their
activities of daily living due to a constellation of medical, cognitive and behavioral features …

Early autism research focused on behavior and cognition. In recent decades, the pace of
research has accelerated, and advances in imaging and genetics have allowed the …

Background: Individuals with autism spectrum disorder (ASD) form a heterogeneous group,
posing a challenge for clinical definition. Additional problems regarding the diverse clinical …