A comparison of receptive-expressive language profiles between toddlers with autism spectrum disorder and developmental language delay

Kyeong In Seol, Seung Ha Song, Ka Lim Kim, Seung Taek Oh, Young Tae Kim, Woo Young Im, Dong Ho Song, Keun Ah Cheon

Research output: Contribution to journalArticlepeer-review

13 Scopus citations

Abstract

Purpose: It is well known that expressive language impairment is commonly less severe than receptive language impairment in children with autism spectrum disorder (ASD). However, this result is based on experiments in Western countries with Western language scales. This study tries to find whether the result above is applicable for toddlers in a non-Western country; more specifically, in Korea with non-Western language scales.

Materials and Methods: The participants were 166 toddlers aged between 20 months and 50 months who visited the clinic from December 2010 to January 2013. The number of toddlers diagnosed as ASD and developmental language delay (DLD) was 103 and 63, respectively. Language development level was assessed using Sequenced Language Scale for Infants (SELSI), a Korean language scale. Using SELSI, each group was divided into 3 sub-groups. Moreover, the group difference by age was observed by dividing them into three age groups. Chi-square test and linear-by-linear association was used for analysis.

Conclusion: These findings suggest that receptive-expressive language characteristics in ASD at earlier age could be useful in the early detection of ASD.

Results: Receptive language ability of the DLD group was superior to that of the ASD group in all age groups. However, expressive language ability in both groups showed no difference in all age groups. A greater proportion of expressive dominant type was found in ASD. The 20–29 months group in ASD showed the largest proportion of expressive language dominant type in the three age groups, suggesting that the younger the ASD toddler is, the more severe the receptive language impairment is.

Original languageEnglish
Pages (from-to)1721-1728
Number of pages8
JournalYonsei Medical Journal
Volume55
Issue number6
DOIs
StatePublished - 1 Nov 2014

Keywords

  • Autism spectrum disorder
  • Expressive language
  • Receptive language
  • Toddlers

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