Chinese Journal of Rehabilitation Theory and Practice ›› 2024, Vol. 30 ›› Issue (8): 894-902.doi: 10.3969/j.issn.1006-9771.2024.08.004

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Effect of speech and language rehabilitation on children with intellectual and developmental disabilities: a systematic review

ZHOU Jing1, ZHANG Xiaoxiao2(), DING Zhongbing3, CHEN Jianchao4, WEI Xingxing1, LIN Shuqi1   

  1. 1. Ningbo College of Health Science, Ningbo, Zhejiang 315100, China
    2. Hangzhou Fuchun Rehabilitation Hospital, Hangzhou, Zhejiang 311119, China
    3. Department of Rehabilitation Science, East China Normal University, Shanghai 200062, China
    4. Jinhua Special Education School, Jinhua, Zhejiang 321000, China
  • Received:2024-06-25 Published:2024-08-25 Online:2024-09-11
  • Supported by:
    Ningbo Natural Science Foundation(202003N4188);Zhejiang College Student Science and Technology Innovation Activity Plan(2024R468A005);Zhejiang Education Science Plan(2024SCG131)

Abstract:

Objective To systematically evaluate the effect of speech and language therapies and educational interventions on children with intellectual and developmental disabilities (IDD).

Methods A systematic review was conducted by searching relevant literature in PubMed, PsycINFO, ERIC, Cochrane Library and Web of Science databases, ranging from January, 2018 to May, 2024.

Results A total of eight English articles were included, from six countries including the United States, France, Italy, Norway, Poland and New Zealand, involving 610 children with IDD, from journals about speech language pathology, Down syndrome research and speech language hearing research. The publication time was mainly from 2018 to 2023. The age of the subjects was two to twelve years, and the main health conditions included intellectual disability, autism and Down syndrome. The intervention methods included routine speech therapy (individualized therapy and group therapy), augmentative and alternative communication (device-assisted and sign language and picture cards), family-involved language training programs (parent training and family interaction), computer-assisted language learning (language learning software and telehealth), and play-based interventions (interactive games and structured games); 15 to 150 minutes a time, one to ten times a week, for ten to 144 weeks. The outcomes were reflected in five aspects: increasing the vocabulary in speaking; improving the language comprehension, symbol recognition and vocabulary comprehension; improving both expressive and receptive language skills; improving participation in game diversity and game participation levels, communication, social interaction and interaction skills; and improving overall language and non-verbal communication skills.

Conclusions Combining a variety of methods, such as individualized therapy, family participation, technologic assistance and interactive games, speech and language therapies and education are effective on spoken language production, language comprehension, speech production, social interaction and communication skills for children with IDD.

Key words: intellectual and developmental disabilities, children, speech and language rehabilitation, systematic review

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