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. 2023 Sep;193(3):e32058.
doi: 10.1002/ajmg.c.32058. Epub 2023 Aug 3.

Development of webcam-collected and artificial-intelligence-derived social and cognitive performance measures for neurodevelopmental genetic syndromes

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Development of webcam-collected and artificial-intelligence-derived social and cognitive performance measures for neurodevelopmental genetic syndromes

Thomas W Frazier et al. Am J Med Genet C Semin Med Genet. 2023 Sep.

Abstract

This study focused on the development and initial psychometric evaluation of a set of online, webcam-collected, and artificial intelligence-derived patient performance measures for neurodevelopmental genetic syndromes (NDGS). Initial testing and qualitative input was used to develop four stimulus paradigms capturing social and cognitive processes, including social attention, receptive vocabulary, processing speed, and single-word reading. The paradigms were administered to a sample of 375 participants, including 163 with NDGS, 56 with idiopathic neurodevelopmental disability (NDD), and 156 neurotypical controls. Twelve measures were created from the four stimulus paradigms. Valid completion rates varied from 87 to 100% across measures, with lower but adequate completion rates in participants with intellectual disability. Adequate to excellent internal consistency reliability (α = 0.67 to 0.95) was observed across measures. Test-retest reproducibility at 1-month follow-up and stability at 4-month follow-up was fair to good (r = 0.40-0.73) for 8 of the 12 measures. All gaze-based measures showed evidence of convergent and discriminant validity with parent-report measures of other cognitive and behavioral constructs. Comparisons across NDGS groups revealed distinct patterns of social and cognitive functioning, including people with PTEN mutations showing a less impaired overall pattern and people with SYNGAP1 mutations showing more attentional, processing speed, and social processing difficulties relative to people with NFIX mutations. Webcam-collected performance measures appear to be a reliable and potentially useful method for objective characterization and monitoring of social and cognitive processes in NDGS and idiopathic NDD. Additional validation work, including more detailed convergent and discriminant validity analyses and examination of sensitivity to change, is needed to replicate and extend these observations.

Keywords: eye tracking; facial expressions; genetic syndromes; neurodevelopment; webcam.

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Conflict of interest statement

Dr. Frazier has received funding or research support from, acted as a consultant to, received travel support from, and/or received a speaker’s honorarium from the PTEN Research Foundation, SYNGAP Research Fund, Malan Syndrome Foundation, ADNP Kids Research Foundation, Quadrant Biosciences, Autism Speaks, Impel NeuroPharma, F. Hoffmann-La Roche AG Pharmaceuticals, the Cole Family Research Fund, Simons Foundation, Ingalls Foundation, Forest Laboratories, Ecoeos, IntegraGen, Kugona LLC, Shire Development, Bristol-Myers Squibb, National Institutes of Health, and the Brain and Behavior Research Foundation, is employed by and has equity options in Quadrant Biosciences/Autism Analytica, has equity options in MaraBio and Springtide, and has an investor stake in Autism EYES LLC and iSCAN-R. Dr. Kolevzon has received funding or research support from, or acted as a consultant to ADNP Kids Research Foundation, David Lynch Foundation, Klingestein Third Generation Foundation, Ovid Therapeutics, Ritrova Therapeutics, Acadia, Alkermes, Jaguar Therapeutics, GW Pharmaceuticals, Neuren Pharmaceuticals, Scioto Biosciences, and Biogen. Dr. Sahin reports grant support from Novartis, Biogen, Astellas, Aeovian, Bridgebio, and Aucta. He has served on Scientific Advisory Boards for Novartis, Roche, Regenxbio, SpringWorks Therapeutics, Jaguar Therapeutics and Alkermes. Dr. Hardan is a consultant to Beaming Health and IAMA therapeutics. He also has equity options in Quadrant Biosciences/Autism Analytica, and has an investor stake in iSCAN-R. Dr. Shic has acted as a consultant to F. Hoffmann-La Roche AG Pharmaceuticals and Jansen Pharameuticals. The remaining authors have no competing interests to disclose.

Figures

Figure 1.
Figure 1.
NDGS group differences across webcam measures. Note. SC=sibling controls, UC=unrelated controls, PHTS=PTEN Hamartoma Tumor Syndrome. Other NDGS=other neurodevelopmental genetic syndromes, and NDD=idiopathic neurodevelopmental disability.

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