Temporal-sampling theory and language in Down syndrome: An empirical study

IF 2.9 2区医学 Q1 EDUCATION, SPECIAL

Research in Developmental Disabilities Pub Date : 2024-10-15 DOI:10.1016/j.ridd.2024.104856

Pastora Martínez-Castilla , Elena López-Riobóo

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Abstract

Background

Temporal-sampling theory argues that difficulties in the processing of syllable stress auditory markers and in lexical stress discrimination contribute to explaining the language problems of children with developmental language disorder and of those with dyslexia. The theory has not been tested in other developmental disabilities.

Aims

This research sought to assess the potential of temporal-sampling theory as a framework to accounting for language difficulties in Down syndrome (DS).

Methods and procedures

Thresholds for auditory markers of lexical stress, lexical stress discrimination, and receptive vocabulary were studied in teenagers and young adults with DS and in peers with other intellectual disability (ID) of unknown origin matched on chronological age and non-verbal cognition.

Outcomes and results

Frequency and intensity thresholds were higher in participants with DS, and their lexical stress discrimination and receptive vocabulary skills were lower than those of the group with other ID. Lexical stress discrimination was predicted by intensity thresholds and group, while receptive vocabulary was only predicted by lexical stress discrimination.

Conclusions and implications

The results suggest that temporal-sampling theory is useful to explain language difficulties in individuals with DS or with other ID. This opens up new window opportunities for the design of language intervention programs in such populations.

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时间取样理论与唐氏综合症的语言：实证研究

背景时间取样理论认为，音节重音听觉标记处理和词汇重音辨别方面的困难有助于解释发育性语言障碍儿童和诵读困难儿童的语言问题。本研究旨在评估时间取样理论作为解释唐氏综合症（DS）语言障碍的框架的潜力。方法和程序研究了患有唐氏综合症的青少年和年轻成人，以及与他们年龄和非语言认知能力相匹配的其他原因不明的智力残疾（ID）的同龄人的词汇压力听觉标记、词汇压力辨别和接受词汇的阈值。结果表明，时间取样理论有助于解释 DS 或其他智障人士的语言障碍。这为设计针对此类人群的语言干预计划提供了新的机会。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Research in Developmental Disabilities Multiple-

CiteScore

5.50

自引率

6.50%

发文量

178

期刊介绍： Research In Developmental Disabilities is aimed at publishing original research of an interdisciplinary nature that has a direct bearing on the remediation of problems associated with developmental disabilities. Manuscripts will be solicited throughout the world. Articles will be primarily empirical studies, although an occasional position paper or review will be accepted. The aim of the journal will be to publish articles on all aspects of research with the developmentally disabled, with any methodologically sound approach being acceptable.