Research Article

Evaluate the receptive vocabulary of Persian-speaking children with cochlear implants based on hearing age and their understanding of various type of vocabulary

Abstract

Background and Aim: Early intervention with cochlear implantation for deaf children helps them acquire receptive and expressive language. Word learning is one aspect of language acquisition. The current study aimed to evaluate receptive vocabulary in deaf children who received cochlear implants (CIs). 
Methods: A descriptive-analytical cross-sectional  survey  was conducted with  90 study  participants. The participants included thirty children with CIs  and sixty normal-hearing children. The hearing ages of the children with CIs ranged  from 2 to 57 months, with chronological  ages between  32 and 71 months. 
The Receptive Picture Vocabulary Test in Persian  (RPVT-P) was used to evaluate  children’s vocabulary. Parametric t-tests and Pearson correlation were used to analyze and compare the data. 
Results: There was a significant relationship between the total score of the RPVT-P and chronological ages of NH children ( r = 0.842, p < 0.0001), and children with CIs  (r = 0.824, p < 0.0001). There was a significant relationship between the total score of the RPVT-P and hearing age of children with CIs (r = 0.658, p < 0.0001). There was a  significant difference between children with CIs  and NH children in the total scores for  each item of the RPVT-P (p <0.0001).
Conclusion: Children with cochlear implants gradually develop their understanding of vocabulary, but they do not reach  the same level of skills as typically developing  children. Children with CIs can acquire various types of vocabularies.

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Cochlear implants deaf hearing impairment receptive language vocabulary

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Zare S, Ghorbani A, Jalilevand N, Kamali M. Evaluate the receptive vocabulary of Persian-speaking children with cochlear implants based on hearing age and their understanding of various type of vocabulary. Aud Vestib Res. 2026;.