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Cited by 43Autism Spectrum Disorder ResearchChild and Animal Learning DevelopmentChild and Adolescent Psychosocial and Emotional Development

Positive Affect in Infant Siblings of Children Diagnosed with Autism Spectrum Disorder

Filliter, Jillian H., Longard, Julie, Lawrence, Michael A., Zwaigenbaum, Lonnie, Brian, Jessica, Garon, Nancy, Smith, Isabel M., Roncadin, Caroline +2 more·2015·Journal of Abnormal Child Psychology
DOI 10.1007/s10802-014-9921-6
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Abstract

Research on the expression of positive affect in young children with Autism Spectrum Disorder (ASD) suggests that differences in this domain emerge late in the first year or early in the second year. However, many previous studies in this area employed retrospective research methods and global rating schemes. In the current study, the expression of positive affect was examined prospectively at ages 6, 12, and 18 months in three groups: infant siblings with ASD, infant siblings without ASD, and low-risk comparison infants. Infant siblings were the younger brothers or sisters of children diagnosed with ASD and, therefore, had a higher familial risk of ASD. The frequency and duration of smiles were coded from video excerpts from the Autism Observation Scale for Infants (Bryson, Zwaigenbaum, McDermott, Rombough, and Brian 2008), a standardized, play-based assessment of early signs of ASD. Results indicated that at 12 months, infant siblings with ASD had a lower rate of smiling than the other two groups. At 18 months, infant siblings with ASD continued to display a lower rate of smiling than infant siblings without ASD, but not comparison infants. Overall, these results indicate that infant siblings with ASD demonstrate less positive affect than infant siblings without ASD and low-risk comparison infants at 12 months. This suggests that reduced smiling may be an informative behavioural risk marker for ASD by children's first birthdays and may have implications for our understanding of atypical social development in children with ASD.

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Authors
Filliter, J. H., Longard, J., Lawrence, M. A., Zwaigenbaum, L., Brian, J., Garon, N., Smith, I. M., Roncadin, C., Roberts, W., & Bryson, S. E.
Affiliations
  • Dalhousie University (CA)
  • University of Alberta (CA)
  • University of Toronto (CA)
  • Mount Allison University (CA)
Corresponding author
Bryson, Susan E.
ORCID
Venue
Journal of Abnormal Child Psychology
Publisher
Springer Science and Business Media LLC
Published
2014-08-13
Volume
43
Issue
3
Pages
567-575
ISSN
  • 0091-0627 (ISSN-L)
  • 1573-2835
DOI
10.1007/s10802-014-9921-6
OpenAlex
W2058720491
Cited by
43
References
40
Citations by year
2026: 1 · 2024: 3 · 2023: 5 · 2022: 3 · 2021: 4 · 2020: 4 · 2019: 2 · 2018: 5 · 2017: 8 · 2016: 3 · 2015: 5
FWCI
2.98
Type
journal article
Language
en
Open access
closed
Licence
www.springer.com/tdm (tdm)
Locations
  • Research on Child and Adolescent Psychopathology (publishedVersion)
  • PubMed (publishedVersion)
Funders
Canadian Institutes of Health Research
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Autism Spectrum Disorder Research
  • Social Sciences › Psychology › Developmental and Educational Psychology › Child and Animal Learning Development
  • Social Sciences › Psychology › Clinical Psychology › Child and Adolescent Psychosocial and Emotional Development
Keywords
autism spectrum disorder, infant siblings, positive affect, smiling, early risk markers, familial risk, infant social behavior
MeSH terms
Autism Spectrum Disorder, Female, Humans, Infant, Longitudinal Studies, Male, Play and Playthings, Prospective Studies, Smiling, Case-Control Studies, Siblings

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