Cited by 156Autism Spectrum Disorder ResearchGenetics and Neurodevelopmental DisordersCognitive Abilities and Testing

Autism As a Disorder of High Intelligence

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Crespi, Bernard J.·2016·Frontiers in Neuroscience

Abstract

A suite of recent studies has reported positive genetic correlations between autism risk and measures of mental ability. These findings indicate that alleles for autism overlap broadly with alleles for high intelligence, which appears paradoxical given that autism is characterized, overall, by below-average IQ. This paradox can be resolved under the hypothesis that autism etiology commonly involves enhanced, but imbalanced, components of intelligence. This hypothesis is supported by convergent evidence showing that autism and high IQ share a diverse set of convergent correlates, including large brain size, fast brain growth, increased sensory and visual-spatial abilities, enhanced synaptic functions, increased attentional focus, high socioeconomic status, more deliberative decision-making, profession and occupational interests in engineering and physical sciences, and high levels of positive assortative mating. These findings help to provide an evolutionary basis to understanding autism risk as underlain in part by dysregulation of intelligence, a core human-specific adaptation. In turn, integration of studies on intelligence with studies of autism should provide novel insights into the neurological and genetic causes of high mental abilities, with important implications for cognitive enhancement, artificial intelligence, the relationship of autism with schizophrenia, and the treatment of both autism and intellectual disability.

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Crossref · 10.3389/fnins.2016.00300

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234 of 234 references verified0 citation errors · 0 not checkable

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  • Some gifted profiles might share socio-emotional problems with high-functioning autism, mainly regarding social abilities, adaptation disorders, withdrawal in imaginary and/or intellectual abstraction, attention deficit, clumsiness, excessive attention to restricted interests, and hypersensitivity.

    “Some gifted profiles might share socio-emotional problems with highfunctioning autism, mainly regarding social abilities, adaptation disorders, withdrawal in imaginary and/or intellectual abstraction, attention deficit, clumsiness, excessive attention to restricted interests, and hypersensitivity [7, 15, 16].”

    From Behavioral and Socio-Emotional Disorders in Intellectual Giftedness: A Systematic Review (2024) · cites this paper as [16]

    In “Sensory functions, attention, and special abilities” (page not provided), the paper reports high attention to detail among child prodigies and in autism, and discusses sensory sensitivity and reduced social abilities in relation to autism or savant skills. It does not establish that gifted profiles share the full list of socio-emotional problems with high-functioning autism; adaptation disorders, imaginative withdrawal, attention deficit, and clumsiness are not supported by these passages. (LLM, conf=0.86)

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  • Higher cognitive capacities in humans were acquired at the cost of increased susceptibility to mental disease.

    “Notably, it was proposed that the higher cognitive capacities in humans were acquired at the cost of increased susceptibility to mental disease17–19.”

    From Distinct selective forces and Neanderthal introgression shaped genetic diversity at genes involved in neurodevelopmental disorders (2017) · cites this paper as [19]

    The Introduction (page unavailable) proposes that the evolution of high intelligence in humans increased the scope for cognitive dysregulation, including intellectual disability. The Discussion (page unavailable) develops a related hypothesis for autism. These passages support the proposed link, but not the broader claim of increased susceptibility to mental disease generally. (LLM, conf=0.82)

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1 of the 235 references couldn’t be matched to a known paper.

Research works printed but not linked: 1

  1. Crespi B. Leach E. (2016). The evolutionary biology of human neurodevelopment: evo-neuro-devo comes of age, in Evolutionary Developmental Anthropology, eds Boughner J. Rolian C. (Hoboken, NJ: Wiley), 205– 229.

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Authors
Crespi, B. J.
Affiliations
Simon Fraser University (CA)
Corresponding author
Crespi, Bernard J.
Venue
Frontiers in Neuroscience
Published
2016-06-30
Volume
10
Pages
300-300
ISSN
1662-453X (ISSN-L)
OpenAlex
W2470385410
Cited by
156
References
235
Citations by year
2026: 8 · 2025: 12 · 2024: 18 · 2023: 24 · 2022: 24 · 2021: 22 · 2020: 19 · 2019: 13 · 2018: 10 · 2017: 4 · 2016: 1 · 2015: 1
FWCI
5.94
Type
journal article
Language
en
Open access
Licence
cc-by
Locations
  • Frontiers in Neuroscience (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
Funders
Natural Sciences and Engineering Research Council of Canada (311201)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Autism Spectrum Disorder Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetics and Neurodevelopmental Disorders
  • Social Sciences › Psychology › Experimental and Cognitive Psychology › Cognitive Abilities and Testing
Keywords
autism spectrum disorder, high IQ, genetic correlation, IQ, brain size, brain growth, visuospatial ability, sensory abilities, synaptic function, attention, socioeconomic status, decision-making, career interest, assortative mating, autism etiology, schizophrenia, intellectual disability, cognitive enhancement

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