Researchers Identify 2 Autism Subtypes Covering 25% of Cases, Opening Path to Personalized Care
Updated
Updated · ETHealthWorld · Jun 2
Researchers Identify 2 Autism Subtypes Covering 25% of Cases, Opening Path to Personalized Care
3 articles · Updated · ETHealthWorld · Jun 2
Summary
Brain-scan and animal-model analysis identified two reproducible autism subtypes—hypoconnectivity and hyperconnectivity—in data covering 940 autistic children and young adults.
The split was tied to different biology: reduced connectivity tracked synaptic dysfunction, while increased connectivity was linked to transcriptional and immune-related alterations.
Researchers derived the signatures from 20 genetic mouse models, then matched those patterns to human fMRI scans using ABIDE and Child Mind Institute datasets plus more than 1,000 neurotypical controls.
The two subtypes accounted for about 25% of autistic individuals examined, a finding the team said could support more precise diagnosis and personalized care tools.
What about the 75% of autistic people who don't fit these new brain-based subtypes?
Can a simple brain scan now tell parents why their child has autism?
Will this discovery finally lead to medications for core autism symptoms?
Landmark 2025 Study Identifies Four Distinct Autism Subtypes, Transforming Diagnosis, Care, and Policy
Overview
In 2025, researchers at Princeton University and the Simons Foundation published a groundbreaking study that used data from over 5,000 children in the SPARK cohort. By applying an innovative person-centered computational model, they analyzed more than 230 traits for each individual. This approach allowed them to group individuals based on unique combinations of traits, leading to the identification of four clinically and biologically distinct autism subtypes. This discovery marks a transformative step in understanding autism’s genetic roots and opens the door to more personalized care and support for people on the autism spectrum.