Relationship between working memory and comprehension and expression of grammar in Farsi-speaking children with cochlear implants

Publication date: Available online 8 August 2018

Source: International Journal of Pediatric Otorhinolaryngology

Author(s): Soodeh Khoramian, Zahra Soleymani

Abstract

Objectives

Grammar is one of the most fundamental components of language and working memory (WM) is one of the most important cognitive features. These two skills play a vital role in learning, literacy and communication. Children with cochlear implants (CIs) experience delays in both of these skills. The aim of this study was to investigate the relationship between these two skills in children with CIs.

Subjects and methods

The sample consisted of 20 Farsi-speaking children with CIs. WM was estimated by forward and backward auditory digit spans (FBS and BDS) from the Persian (Farsi) version of the Wechsler Intelligence Scale for Children, 4th edition. The comprehension of grammar by participants was evaluated using the Persian Syntax Comprehension Test. Grammar expression was assessed using the Photographic Expressive Persian Grammar Test. Pearson's correlation and simple linear regression were used for data analysis.

Results

The results of linear regression and correlation showed a strong correlation between comprehension of grammar and FDS (r = 0.61; p = 0.004) was obtained, between BDS and comprehension of grammar (r = 0.161; p = 0.080). FDS and expression of grammar (r = 0.163; p = 0.222) showed a positive but insignificant correlation.

Conclusion

The results indicate that WM decisively effects grammar. Enhancement of the phonological loop can improve grammar, especially comprehension of grammar. The effect of the central executive in grammar requires further research.

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