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Children with Attention-deficit/Hyperactivity Disorder Show an Altered Eye Movement Pattern during Reading
Rubén Molina, Beatriz Redondo1, Jesús Vera1
1Department of Optics, Faculty of Sciences, University of Granada, Granada, Spain.
Summary
Children with Attention-Deficit/Hyperactivity Disorder (ADHD) exhibit distinct eye movement patterns during reading, including more fixations and regressions. These findings highlight differences in reading performance and inform strategies for improving reading skills in children with ADHD.
Area of Science:
- Ophthalmology
- Neuroscience
- Developmental Psychology
Background:
- Attention-Deficit/Hyperactivity Disorder (ADHD) is associated with oculomotor abnormalities.
- The specific eye movement patterns during reading in children with ADHD require further elucidation.
- Understanding these patterns is crucial for addressing reading difficulties in this population.
Purpose of the Study:
- To objectively compare the eye movement patterns during oral reading in nonmedicated children with pure ADHD and age-matched controls.
- To identify specific oculomotor differences associated with ADHD during reading tasks.
Main Methods:
- Forty-one children (21 with ADHD, 20 controls) participated.
- Participants were nonmedicated and within a similar age range (9.3 years).
- Eye movement patterns were recorded using the Visagraph Eye Movement recording system during standardized oral reading.
Main Results:
- Children with ADHD showed significantly more fixations, regressions, and saccades in return sweeps compared to controls.
- ADHD group exhibited longer reading times, lower reading rates, and lower grade-level equivalents.
- Statistical analyses confirmed significant differences with high Bayes factors, indicating robust findings.
Conclusions:
- Nonmedicated children with pure ADHD demonstrate an altered eye movement pattern during oral reading.
- These oculomotor differences are not attributable to comorbid conditions.
- Findings provide insights into the ADHD-reading performance link and can guide interventions to enhance reading skills.
