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ERIC Number: EJ1058634
Record Type: Journal
Publication Date: 2015-Apr
Pages: 9
Abstractor: As Provided
ISBN: N/A
ISSN: ISSN-0736-9387
EISSN: N/A
Evaluation of Ocular Movements in Patients with Dyslexia
Vagge, Aldo; Cavanna, Margherita; Traverso, Carlo Enrico; Iester, Michele
Annals of Dyslexia, v65 n1 p24-32 Apr 2015
The aims of this study were to analyze the relationship between dyslexia and eye movements and to assess whether this method can be added to the workup of dyslexic patients. The sample was comprised of 11 children with a diagnosis of dyslexia and 11 normal between 8 and 13 years of age. All subjects underwent orthoptic evaluation, ophthalmological examinations, and eye movement analysis, specifically, stability analysis on fixating a still target, tracking saccades, analysis of fixation pauses, speed reading, saccades, and regressions through the reading of a text. Stability analysis on fixating a still target showed a significant (p?<?0.001) difference between the two groups showing an increased amount of loss of fixation among dyslexic subjects (5.36?±?2.5 s and 0.82?±?2.1, respectively). Tracking saccades (left and right horizontal axis) did not show a significant difference. When reading parameters were looked into (number of saccades, number of regressions, reading time through the reading of a text), a significant (p?<?0.001) difference was found between the groups. This study supports the belief that the alteration of eye movement does not depend on oculo-motor dysfunction but is secondary to a defect in the visual processing of linguistic material. Inclusion of assessment of this defect might prove beneficial in determining the presence of dyslexia in young children at a younger age, and an earlier intervention could be initiated.
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Publication Type: Journal Articles; Reports - Research
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A
Grant or Contract Numbers: N/A