Groundbreaking Study Identifies Four Biologically Distinct Autism Subtypes : r/UpliftingNews
Explained: New Autism Research Reveals 4 Distinct Subtypes, Links Genes To Children's Traits
Scientists identified four genetic autism subtypes—Social & Behavioral Challenges, Mixed ASD with Developmental Delay, Moderate Challenges, Broadly Affected—linking specific genetic patterns to children's traits and improving personalized care.
The New Autism
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Autism Spectrum Disorder (ASD) in the DSM-5-TR | Autism Aspergers Advocacy Australia
Monotropism
the mind as an interest system
Autism severity rooted in embryonic brain growth, study suggests
The severity of autism symptoms is linked to brain overgrowth during early embryonic development, with larger brain cortical organoids correlating with more severe social and cognitive challenges in children with autism.
Some children with autism struggle with profound difficulties in social, language, and cognitive skills and might be non-verbal, while others show significant improvements as they grow older.
Previous studies had suggested that autism has prenatal origins, but no study had definitively linked early brain development with the severity of autism symptoms until now.
A significant finding was that BCOs derived from toddlers with ASD grew substantially larger—about 40% larger—than those derived from neurotypical toddlers.
“Toddlers who had profound autism, which is the most severe type of autism, had the largest BCO overgrowth during embryonic development. Those with mild autism social symptoms had only mild overgrowth.”
The Five Factor Model of Autism
[Revised & updated version #3]