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Attention toward Social and Non-Social Stimuli in Preschool Children with Autism Spectrum Disorder: A Paired Preference Eye-Tracking Study

Author

Listed:
  • Sara Congiu

    (Department of Pedagogy, Psychology, Philosophy, University of Cagliari, 09126 Cagliari, Italy)

  • Giuseppe Doneddu

    (Center for Autism and Related Disorder, Nuovo Centro Fisioterapico Sardo, 09131 Cagliari, Italy)

  • Roberta Fadda

    (Department of Pedagogy, Psychology, Philosophy, University of Cagliari, 09126 Cagliari, Italy)

Abstract

Different dimensions of visual attention to social (human faces) and non-social stimuli (objects) were assessed in 19 preschool children with Autism Spectrum Disorder (ASD) and 19 typically developing (TD) age, gender, and IQ-matched controls through an original paired preference eye-tracking paradigm. The present study found a significantly reduced attentional bias toward human faces in children with ASD compared to TD controls. The analysis of the total fixation time showed a significantly reduced preference for faces in children with ASD compared to TD children. Moreover, while TD children showed a significant preference for the face over the object, children in the ASD group observed the two paired pictures for a similar amount of time, thus showing no preference. Besides, children with ASD paid significantly more sustained attention to the objects than TD children. Children in the TD group paid greater sustained attention to the faces over the objects, while children in the ASD group did not differentiate between objects and faces. Finally, an age effect was found in ASD, as younger children in the group tended to prefer objects and to show more sustained attention towards them. Overall, these findings add to the literature on anomalies in attention toward social and non-social stimuli in young children with ASD compared to their TD counterparts. These results are discussed in the light of previous studies and suggest possible directions for future research.

Suggested Citation

  • Sara Congiu & Giuseppe Doneddu & Roberta Fadda, 2024. "Attention toward Social and Non-Social Stimuli in Preschool Children with Autism Spectrum Disorder: A Paired Preference Eye-Tracking Study," IJERPH, MDPI, vol. 21(4), pages 1-13, March.
    • Handle: RePEc:gam:jijerp:v:21:y:2024:i:4:p:421-:d:1367293
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    References listed on IDEAS

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    1. Ami Klin & David J. Lin & Phillip Gorrindo & Gordon Ramsay & Warren Jones, 2009. "Two-year-olds with autism orient to non-social contingencies rather than biological motion," Nature, Nature, vol. 459(7244), pages 257-261, May.
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