Journal
JOURNAL OF AUTISM AND DEVELOPMENTAL DISORDERS
Volume 42, Issue 10, Pages 2208-2218Publisher
SPRINGER/PLENUM PUBLISHERS
DOI: 10.1007/s10803-012-1450-y
Keywords
Autism; At-risk siblings; Broader autism phenotype; Joint attention; Gaze following
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Funding
- Medical Research Council [G0701484, MR/K005863/1, G1100252] Funding Source: Medline
- Autistica [7221] Funding Source: researchfish
- Medical Research Council [G1100252, G0701484] Funding Source: researchfish
- National Institute for Health Research [NF-SI-0510-10268] Funding Source: researchfish
- MRC [G0701484, G1100252] Funding Source: UKRI
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Whilst joint attention (JA) impairments in autism have been widely studied, little is known about the early development of gaze following, a precursor to establishing JA. We employed eye-tracking to record gaze following longitudinally in infants with and without a family history of autism spectrum disorder (ASD) at 7 and 13 months. No group difference was found between at-risk and low-risk infants in gaze following behaviour at either age. However, despite following gaze successfully at 13 months, at-risk infants with later emerging socio-communication difficulties (both those with ASD and atypical development at 36 months of age) allocated less attention to the congruent object compared to typically developing at-risk siblings and low-risk controls. The findings suggest that the subtle emergence of difficulties in JA in infancy may be related to ASD and other atypical outcomes.
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