Linking the Sensory and Motor Visual Correlates of Dyslexia
| Autor: | N. Drasdo, Bruce J W Evans, Ian L. Richards |
|---|---|
| Rok vydání: | 1993 |
| Předmět: |
Sequential access memory
medicine.medical_specialty Reading disability education.field_of_study genetic structures media_common.quotation_subject Population Dyslexia Sensory system Audiology medicine.disease Developmental psychology Reading (process) Heterophoria medicine Psychology education Binocular vision media_common |
| DOI: | 10.1016/b978-0-444-89949-1.50018-3 |
| Popis: | Publisher Summary This chapter reviews sensory and motor visual problems correlated with dyslexia. In a study described in the chapter, the subjects were 43 control and 39 dyslexic children, aged between 7 years 6 months and 12 years 3 months. All children had a performance IQ over 85, and the dyslexic group had a WISC-R full-scale IQ over 90. The psychometric testing was carried out by IR and included tests of intelligence, reading, spelling, and auditory and visual sequential memory. One aspect of the study was to investigate the relationship between these psychological correlates of dyslexia and the visual correlates. The binocular vision tests included three ways of investigating the heterophoria. Where an assessment of the frequency distribution of data suggested that they may not be normally distributed, they were subjected to a test of normality. It was found that few measures of binocular function were reduced in the dyslexic population, and this seemed to be related to the transient system deficit and to unusually low amplitudes of accommodation. There was no evidence to suggest that the mild binocular dysfunction was a major cause of the reading disability, but this type of difficulty can lead to eye strain when reading. |
| Databáze: | OpenAIRE |
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