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Is a High IQ Linked to Autism?
December 11, 2025
A high IQ is linked to autism through genetic correlations, but autism spans all IQ levels. Research shows positive genetic overlap between autism risk alleles and high intelligence measures.
Is a High IQ Linked to Autism?
Studies report substantial genetic correlations (r_g = -0.94 to -0.95) between autistic traits and IQ, indicating shared factors. About 44% of autistic children have average or above-average IQ (≥85).
High IQ autistics often show strengths in visual-spatial abilities and focus, alongside social challenges. However, 25% fall in borderline range (71-85).
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FAQs
What IQ range in autism?
44% average/above; 25% borderline.
Genetic correlation strength?
High, r_g ≈ -0.95.
Strengths in high IQ autism?
Visual-spatial, focus.
Sources:
- https://pmc.ncbi.nlm.nih.gov/articles/PMC4927579/
- https://pmc.ncbi.nlm.nih.gov/articles/PMC8477228/
- https://pmc.ncbi.nlm.nih.gov/articles/PMC9058071/
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