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1- khurazmi university
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Abstract
Introdaction: According to the literature, a defect in the phonological processing model is the main characteristic of people with dyslexia, but for people with dyscalculia in the field of phonological processing, the research results are contradictory. The aim of this study was to evaluate the differentiation or cognitive Comorbidity of students with dyslexia and dyscalculia in the variables of phonological processing model variables including phonological awareness, phonological short-term memory and rapid automatic naming.
Method: Participants were 30 Second period elementary school students (15 girls and 15 boys) who according to their referral or non-referral were referred to Learning Disabilities Centers, as well as based on the criteria of specific learning disorder in DSM-V and based on the learning disability evaluation scale LDES-4 were divided into three groups: dyslexia. (N = 10), dyscalculia (n = 10) and normal (n = 10). Then, all individuals individually answered some of the subtests of the Iranian version of the Wechsler Children's Intelligence Scale-5th Edition and the third edition of the Language Development Test-primary.
Findings: The results of analysis of variance showed that the two disorder groups had similar performance pattern in the two variables of phonological awareness including phoneme production and word production and were different and significant from the normal group in performance. Although, in word differentiation, the pattern of response was the same; but there was no significant difference between the disorder and normal groups. There was no significant difference in the variables of rapid naming, including the Naming Speed Literacy and quantity, as well as the digit span variable of phonological short-term memory between the two disorder groups and between the disorder group and the normal group. Finally, the results showed that in the number-letter sequence variable of short-term phonological memory, the performance of the two disorder groups is significantly different from each other and from the normal group.
Conclusion: It seems that the only component of phonological awareness of the phonological processing model may be as a Comorbidity factor between the two groups of specificity dyslexia and dyscleculia. In this area, we need more research on the two components of short-term phonological memory and automatic naming.
     
Type of Study: Research |
Received: 2021/11/5 | Accepted: 2022/06/9

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