Cited by 351Autism Spectrum Disorder ResearchChild Nutrition and Feeding IssuesGenetics and Neurodevelopmental Disorders

What are infant siblings teaching us about autism in infancy?

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Rogers, Sally J.·2009·Autism Research

Abstract

International research to understand infant patterns of development in autism spectrum disorders (ASDs) has recently focused on a research paradigm involving prospective longitudinal studies of infant siblings of children with autism. Such designs use a comparison group of infant siblings without any familial risks (the low‐risk group) to gather longitudinal information about developmental skills across the first 3 years of life, followed by clinical diagnosis of ASD at 36 months. This review focuses on five topics: presence of ASD in the infant sibling groups, patterns and characteristics of motor development, patterns and characteristics of social and emotional development, patterns and characteristics of intentional communication, both verbal and nonverbal, and patterns that mark the onset of behaviors pathognomonic for ASD. Symptoms in all these areas typically begin to be detected during the age period of 12–24 months in infants who will develop autism. Onset of the symptoms occurs at varying ages and in varying patterns, but the pattern of frank loss of skills and marked regression reported from previous retrospective studies in 20–30% of children is seldom reported in these infant sibling prospective studies. Two surprises involve the very early onset of repetitive and unusual sensory behaviors, and the lack of predictive symptoms at the age of 6 months. Contrary to current views that autism is a disorder that profoundly affects social development from the earliest months of life, the data from these studies presents a picture of autism as a disorder involving symptoms across multiple domains with a gradual onset that changes both ongoing developmental rate and established behavioral patterns across the first 2–3 years of life.

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  • Prospective studies of infant siblings have not identified behavioural differences at 6 months in infants ultimately diagnosed with ASD.

    “To date, prospective studies of infant siblings have not identified behavioural differences at 6 months in infants who are ultimately diagnosed with ASD (Rogers, 2009; Ozonoff et al ., 2010; Landa et al ., 2012).”

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Authors
Rogers, S. J.
Affiliations
University of California Davis Medical Center (US)
Corresponding author
Rogers, Sally J.
Venue
Autism Research
Publisher
Wiley
Published
2009-06
Volume
2
Issue
3
Pages
125-137
ISSN
  • 1939-3792 (ISSN-L)
  • 1939-3806
OpenAlex
W1989346891
Cited by
351
References
55
Citations by year
2026: 5 · 2025: 7 · 2024: 11 · 2023: 4 · 2022: 8 · 2021: 15 · 2020: 11 · 2019: 17 · 2018: 17 · 2017: 26 · 2016: 24 · 2015: 26 · 2014: 23 · 2013: 49 · 2012: 48
FWCI
17.26
Type
journal article
Language
en
Open access
Locations
  • Autism Research (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institutes of Health
  • National Institute of Mental Health (R01MH068398, MH068398, R01MH081757)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Autism Spectrum Disorder Research
  • Health Sciences › Medicine › Psychiatry and Mental health › Child Nutrition and Feeding Issues
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetics and Neurodevelopmental Disorders
Keywords
autism spectrum disorder, infant siblings, motor development, social-emotional development, intentional communication, regression analysis, infant development, prospective longitudinal study
MeSH terms
Attention, Autistic Disorder, Female, Humans, Infant, Male, Phenotype, Psychomotor Disorders, Risk Factors, Visual Perception, Age of Onset, Stereotypic Movement Disorder, Siblings

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