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Digital Autism Screening Tool Shows Promise In NIH-Funded Study | NEWS-Line for Respiratory Care Professionals

Digital Autism Screening Tool Shows Promise In NIH-Funded Study


Source:

A tablet-based screening application for autism spectrum disorder (ASD) may improve early detection, suggests a study funded by the National Institutes of Health. Early detection is critical for access to early interventions that can have major long-term positive effects on symptoms and later skills. The app showed 87.8% sensitivity for detecting ASD, meaning it correctly identified most children with the condition. Its specificity—the percentage of children without ASD who screened negative—was 80.8%. By accurately identifying toddlers who warrant further investigation for ASD, the app may help healthcare providers ensure that children and families receive the support they need.

Healthcare providers typically screen toddlers for ASD using a parent questionnaire. However, studies have found that the accuracy of such questionnaires tends to be lower in primary care settings compared to research settings, particularly among girls and children of color. This can widen disparities in early diagnosis and intervention.

To address the need for more accurate ASD screening tools, researchers developed the SenseToKnow app, which records and analyzes children’s responses to short movies designed to elicit a range of behavioral patterns. The app can track many early signs of ASD, including differences in social attention, facial expressions, head movements, response to name, blink rates and motor skills. The work was led by Geraldine Dawson, Ph.D., and Guillermo Sapiro, Ph.D., of the Autism Center of Excellence at Duke University, Durham, North Carolina.

Healthcare providers used SenseToKnow to screen toddlers ages 17 months to 3 years during a well-child visit. Of the 475 toddlers enrolled in the study, 49 were subsequently diagnosed with ASD and 98 were diagnosed with developmental delays without ASD. The app’s ability to reliably detect children diagnosed with ASD was consistent across toddlers of different sex, race and ethnicity. Overall, participants who screened positive for ASD using the app had a 40.6% probability of subsequently being diagnosed with the condition. In comparison, only about 15% of children who screen positive using the standard parent questionnaire are later diagnosed with ASD. Combining the app with the standard questionnaire boosted the probability of a positive screen resulting in later diagnosis to 63.4%.

According to the authors, the study is a step forward in developing ASD screening tools that can reduce disparities in access to early diagnosis and intervention. They also note the importance of ensuring that children with a positive screening result are linked to appropriate referrals and services.

The study was funded by NIH’s Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD). Additional support was provided by NIH’s National Institute of Mental Health and other organizations.

Who
Alice Kau, Ph.D., program director in NICHD’s Intellectual and Developmental Disabilities Branch, is available for interviews.

To arrange an interview with Dr. Kau, please call 301-496-5133 or e-mail [email protected](link sends e-mail).

Reference
Perochon S et al. Early detection of autism using digital behavioral phenotyping. Nature Medicine DOI: 10.1038/s41591-023-02574-3(link is external) (2023)

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)

Photo: Duke University






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