This study examined whether parent-reported atypical development in their child's first year was associated with age of diagnosis and age when parents first needed to consult a specialist about their child's development. It involved 423 children who participated in the Australian Autism Biobank. Most parents retrospectively identified [greater or…

There has been a recent shift from person-first to identity-first language to describe autism. In this study, Australian adults who reported having a diagnosis of autism (N = 198) rated and ranked autism-terms for preference and offensiveness, and explained their choice in free-text. 'Autistic', 'Person on the Autism Spectrum', and 'Autistic…

Asperger's Syndrome was introduced as a separate diagnostic category in the DSM-4 (1994). Its subsequent absorption into autism spectrum disorder in the DSM-5 (2013) led to vigorous debate and concerns about the loss of the unique Asperger's identity. Existing research has identified that adults previously diagnosed with Asperger's have expressed…

Prevalence statistics for autism spectrum disorders (ASD) vary widely across geographical boundaries. Some variation can be explained by diagnostic methods, case ascertainment and age at diagnosis. This study compared prevalence statistics for two distinct geographical regions, Denmark and Western Australia, both of which have had population-based…