Cited by 303Autism Spectrum Disorder ResearchGenetics and Neurodevelopmental DisordersSexual Differentiation and Disorders

Sex differences in autism

Lord, Catherine, Schopler, Eric, Revicki, Dennis·1982·Journal of Autism and Developmental Disorders

Abstract

Comparisons were made between male and female children with autism, 384 boys and 91 girls, aged 3 years to 8 years, on nonverbal measures of intelligence, adaptive functioning, receptive vocabulary, perception, and eye-hand integration, and on ratings of affect, play, and relating and human interest. Males showed more advanced performances on eye-hand integration and perception skills on the Psychoeducational Profile (PEP) and had higher nonverbal IQs social quotients, and Peabody Picture Vocabulary Test (PPVT) IQs than females. When nonverbal IQ was controlled, the main effect of sex remained; however, sex differences on PPVT scores and on eye-hand integration and perception scale disappeared. Males showed more unusual visual responses and less appropriate, more stereotypic play than females. These results are discussed in terms of hypotheses concerning sex differences in genetic thresholds and in hemispheric lateralization.

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Crossref · 10.1007/bf01538320

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27 of 27 references verified0 citation errors · 0 not checkable

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Authors
Lord, C., Schopler, E., & Revicki, D.
Affiliations
  • University of Alberta (CA)
  • University of North Carolina at Chapel Hill (US)
  • East Carolina University (US)
Venue
Journal of Autism and Developmental Disorders
Published
1982-12
Volume
12
Issue
4
Pages
317-330
ISSN
  • 0162-3257 (ISSN-L)
  • 1573-3432
OpenAlex
W2022976804
Cited by
303
References
27
Citations by year
2026: 4 · 2025: 2 · 2024: 3 · 2023: 5 · 2022: 15 · 2021: 3 · 2020: 4 · 2019: 10 · 2018: 10 · 2017: 6 · 2016: 11 · 2015: 11 · 2014: 21 · 2013: 23 · 2012: 11
FWCI
9.37
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Autism and Developmental Disorders (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Autism Spectrum Disorder Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetics and Neurodevelopmental Disorders
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Sexual Differentiation and Disorders
Keywords
sex differences, autism spectrum disorder, children, nonverbal intelligence, eye-hand coordination, perceptual skills, receptive vocabulary, adaptive behavior, affect, hemispheric lateralization
MeSH terms
Adaptation, Psychological, Autistic Disorder, Child, Child, Preschool, Female, Humans, Intelligence, Functional Laterality, Male, Psychomotor Performance, Sex Factors, Stereotyped Behavior, Vocabulary

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