Effect Of Handedness On Working Memory And Phonology Among Dyslexic And Normally Progressing Readers | 12499
Journal of Alzheimers Disease & Parkinsonism
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Background: Past researches have shown that there is an association between some aspect of laterality and poor reading.
Researches reveal that mixed or clumsy handedness has high correlation with phonological ability. The present study examined
the relationship of handedness with phonological awareness both Hindi and English and working memory.
Method: The study has been conducted on dyslexic readers and normally progressing readers, which comprises of 65 dyslexic
readers and 65 normally progressing readers. Amongst dyslexic readers, 50 are male and 15 are female and in normally progressing
readers, 33 are male and 32 are female. In addition to this, different categories of handedness have also been segregated amongst 130
readers (good and poor), 78 were strongly right-handed, 16 were strongly left-handed and 36 were clumsy-handed. Handedness
checklist, phonological and working memory measures were used for this study. The study was cross-sectional descriptive in
design & purposive sampling technique was used for recruiting sample.
Results: It reveals that there is positive correlation between handedness and verbal working memory i.e. right handers have
outperformed than clumsy and left handedness in both 1 Back and 2 Back tasks. One-way Anova results revealed there is a
significant difference between the performance of right handedness and clumsy handedness in both the measures.
Conclusion: From this study it can be inferred that there is a markedly difference between the performance of right handedness
and clumsy handedness in working memory and phonological measures both Hindi and English except one variable i.e., Syllable
Blending. The study has the strong implication in the school setting as well as in the assessment procedure, where the handedness
variable should be strongly emphasized.
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