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Cognitive Assessment in GNAO1 Neurodevelopmental Disorder Using an Eye Tracking System
Federica Graziola1,2, Giacomo Garone1,3, Melissa Grasso1
1Neurology Unit, Department of Neurosciences, Bambino Gesù Children's Hospital, 00146 Rome, Italy.
Journal of Clinical Medicine
|August 27, 2021
Summary
GNAO1 gene mutations cause neurodevelopmental issues. Eye tracking reveals GNAO1 patients have communicative intent and potentially underestimated cognitive abilities, offering a new assessment method.
Area of Science:
- Neuroscience
- Genetics
- Ophthalmology
Background:
- GNAO1 gene mutations lead to neurodevelopmental disorders with significant motor and cognitive challenges.
- Assessing cognitive and language function in GNAO1 patients is difficult due to severe motor impairments.
Purpose of the Study:
- To investigate the utility of eye tracking for assessing cognitive and communicative abilities in GNAO1 patients.
- To determine if cognitive development in GNAO1 disorder is underestimated.
Main Methods:
- Utilized an eye tracking system to evaluate six GNAO1 patients.
- Assessed communicative intent via directed gaze and administered cognitive evaluations where possible.
Main Results:
- Eye tracking demonstrated communicative intent through directed gaze in all evaluated GNAO1 patients.
- Three patients successfully completed cognitive evaluations, showing normal fluid intelligence and lexical comprehension.
- Findings suggest cognitive abilities in GNAO1 disorder may be underestimated.
Conclusions:
- Eye tracking is a viable method to assess communication and cognition in GNAO1 patients.
- Cognitive development in GNAO1-related disorders is likely underestimated.
- Eye tracking technologies can help overcome assessment barriers in GNAO1 patients.
