| 要約: | Early identification of Autism Spectrum Disorders (ASDs) can significantly improve outcomes. Deficits in joint attention (JA) abilities, considered a milestone in socio-communicative development, are among the earliest indicators of ASD. The purpose of this study is to examine if the ability to disengage visual attention (DA) at 12 months could predict joint attention abilities and socio-communicative development at 24 months in a population of infants at increased likelihood and reduced likelihood to develop ASD. Latency of DA at 12 months was analyzed through an eye-tracking paradigm in a group of 56 infants at increased (IL = 29) or reduced (RL = 27) likelihood to develop ASD. JA at 12 months was assessed through items from the Early Social Communication Scales. Diagnostic status was established at 24 months, with 10 children receiving a diagnosis of ASD. A higher DA latency at 12 months is correlated with a lower frequency of JA behaviors at 12 months and with poorer JA abilities at 24 months. Altered visual attention at 12 months was also correlated with socio-communicative development at 24 months and, together with lower JA abilities at 12 months, correlated with diagnostic status. Our findings point to the potential relevance of DA and JA skills as prognostic markers and intervention targets.
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