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Prototype App for Mobile Devices Could Screen Children at Risk for Autism Spectrum Disorder | NEWS-Line for School and Community Healthcare Professionals
 


Prototype App for Mobile Devices Could Screen Children at Risk for Autism Spectrum Disorder


Source:

NIH-funded research project develops app to track eye movements in response to videos.

A mobile app was successful at distinguishing toddlers diagnosed with autism spectrum disorder (ASD) from typically developing toddlers based on their eye movements while watching videos, according to a study funded by the National Institutes of Health. The findings suggest that the app could one day screen infants and toddlers for ASD and refer them for early intervention, when chances for treatment success are greatest.

The study appears in JAMA Pediatrics and was conducted by Geraldine Dawson, Ph.D., director of the NIH Autism Center of Excellence at Duke University, and colleagues. Funding was provided by NIH’s Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD) and National Institute of Mental Health.

Studies have found that the human brain is hard-wired for social cues, with a person’s gaze automatically focusing on social signals. In ASD, attention to social stimuli is reduced, and researchers have sought to screen for ASD in young children by tracking their eye movements while they view social stimuli. However, equipment used for visual tracking is expensive and requires specially trained personnel, limiting its use outside of laboratory settings.

The current study enrolled 933 toddlers ages 16 to 38 months during a well-child primary care visit. Of these children, 40 were later diagnosed with ASD. They viewed on a mobile device short videos of people smiling and making eye contact or engaging in conversation. Researchers recorded the children’s gaze patterns with the device’s camera and measured them using computer vision and machine learning analysis. Children with ASD were much less likely than typically developing children to focus on social cues and visually track the conversations in the videos.

Pending confirmation by larger studies, the authors concluded that this eye-tracking app featuring specially designed videos and computer vision analysis could be a viable method for identifying young children with ASD.

WHO:
Alice Kau, Ph.D., Program Director in the NICHD Intellectual and Developmental Disabilities Branch, is available for comment.

ARTICLE:
Chang, Z et al. Novel Scalable Computational Methods Reveal Atypical Patterns of Gaze in

Toddlers with Autism Spectrum Disorder. JAMA Pediatrics.2021.

About the National Institute of Mental Health (NIMH): The mission of the NIMH is to transform the understanding and treatment of mental illnesses through basic and clinical research, paving the way for prevention, recovery and cure. For more information, visit the NIMH website.

About the Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD): NICHD leads research and training to understand human development, improve reproductive health, enhance the lives of children and adolescents, and optimize abilities for all. For more information, visit https://www.nichd.nih.gov.

About the National Institutes of Health (NIH): NIH, the nation's medical research agency, includes 27 Institutes and Centers and is a component of the U.S. Department of Health and Human Services. NIH is the primary federal agency conducting and supporting basic, clinical, and translational medical research, and is investigating the causes, treatments, and cures for both common and rare diseases. For more information about NIH and its programs, visit www.nih.gov..

NIH…Turning Discovery Into Health®

Source: National Institutes of Health (NIH)




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