Visual Perception and Reading: New Clues to Patterns of Dysfunction Across Multiple Visual Channels in Developmental Dyslexia

Rodrigues, Ana Pina; Rebola, José; Jorge, Helena; Ribeiro, Maria José; Pereira, Marcelino; Asselen, Marieke van

doi:10.1167/iovs.16-20095

Cited by 18 publications

(14 citation statements)

References 81 publications

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“…And this area is dominated by magnocellular signals (Maunsell et al, 1990). Studies have shown that subjects with dyslexia have lower motion sensitivity than have controls (Benassi et al, 2010;Gori, Seitz, Ronconi, Franceschini, & Facoetti, 2016;Rodrigues et al, 2017). Study by Boets, Vandermosten, Cornelissen, Wouters, and Ghesquière (2011) support the view that coherent motion is related to reading.…”

Section: Introductionmentioning

confidence: 90%

Magno App: Exploring Visual Processing in Adults with High and Low Reading Competence

Egset

Wold

Krogstie

et al. 2020

Scandinavian Journal of Educational Research

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The aim of the study was to focus on whether visual processing differs between distinct levels of reading competence in young adults, from a regular orthography. We compared the 10% highest scoring (HRC) and the 10% lowest scoring groups (LRC) of reading competence (using the word chain test, WCT) in visual processing of global coherent motion and global coherent form among young adults in Norway. Results showed that the lowest scoring reading group had higher thresholds for detecting coherent motion, than the highest scoring reading group, indicating lower motion sensitivity in adults with low reading competence of a regular orthography. There was no significant difference between the groups in the coherent form control task. These results may indicate reduced sensitivity to temporally defined stimuli such as coherent motion in the group with low reading competence possible related to vulnerability of the visual dorsal stream.

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Section: Introductionmentioning

confidence: 90%

Magno App: Exploring Visual Processing in Adults with High and Low Reading Competence

Egset

Wold

Krogstie

et al. 2020

Scandinavian Journal of Educational Research

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“…In this context, it is necessary to eliminate the underlying cause of children's ability to cope with reading difficulties, in other words, it is necessary to ensure success in reading by transferring the problems they experience in visual perception to other perception areas. It is emphasized that children with dyslexia experience problems in visual perception (Rodrigues et al, 2017).…”

Section: Types Of Specific Learning Difficultymentioning

confidence: 99%

Visual Perception in Specific Learning Difficulties

Aral

2021

TPICD

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From the moment the child is born, learning becomes meaningful and it is interpreted as a result of the experiences first in the family and then in school. However, it is sometimes not possible to talk about the fact that learning takes place in all children although the process has taken place in this direction. Sometimes the individual differences that exist in children and the inability to get the necessary support in structuring their learning experiences can be effective in the failure of learning, while sometimes the type of congenital difficulty can be effective. One of these types of difficulty is a specific learning difficulty. It is not always possible for children with specific learning difficulties to learn, even if they do not have any mental problems. In this case, many factors can be effective, especially the problems that children experience in their visual perception can become effective. Since visual perception is the processing of symbols received from the environment in the brain, the problem that may be experienced in this process can also make it difficult to learn this situation. In line with these considerations, it is aimed to focus on the importance of visual perception in specific learning difficulties.

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“…[ 8 9 10 ] However, further studies have revealed that sensory and visual perceptual dysfunctions might play a role. [ 11 ] Fluent reading requires rapid processing of visual information, including spatial and temporal data. [ 12 13 ] It has been proposed that dyslexic children might have a deficit in rapid processing of visual and auditory modalities.…”

Section: Introductionmentioning

confidence: 99%

The relation between the severity of reading disorder and visual functions among children with dyslexia

Shandiz¹,

Darvishi²,

Rad³

et al. 2022

Taiwan Journal of Ophthalmology

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PURPOSE: The purpose of the study was to investigate the relation between the severity of reading disorder and visual functions among children with dyslexia. MATERIALS AND METHODS: The present study included 32 dyslexic children selected from two centers for learning disabilities in Mashhad, Iran. Dyslexics were then classified as mild, moderate, and severe based on an instrument used to determine the severity of their reading disorder. Complete optometric examinations to measure visual acuity, refractive errors, latent and manifest deviations, stereoacuity, and amplitude of accommodation were performed for all participants. The correlation between visual functions among dyslexics and their reading disorder severity was investigated. RESULTS: The mean age of the participants in this study was 8.1 ± 0.8 years. Among participants, 40.6%, 31.3%, and 28.1% presented with severe, moderate, and mild levels of reading difficulties, respectively. Only exophoria significantly correlated with the severity of reading disorders. No significant correlation was found between other visual functions and the severity of reading disorders in dyslexic children. CONCLUSION: We found that higher exophoria at near has a significant correlation with the severity of dyslexia. A complete and detailed eye examination of patients with dyslexia and correcting their visual impairments might be helpful.

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Visual Perception and Reading: New Clues to Patterns of Dysfunction Across Multiple Visual Channels in Developmental Dyslexia

Abstract: Our evidence stands in favor of a differential visual channel deficit in children with developmental dyslexia and contributes to the debate on the pathophysiology of reading impairments.

Cited by 18 publications

References 81 publications

Magno App: Exploring Visual Processing in Adults with High and Low Reading Competence

Magno App: Exploring Visual Processing in Adults with High and Low Reading Competence

Visual Perception in Specific Learning Difficulties

The relation between the severity of reading disorder and visual functions among children with dyslexia

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