Phonetics and Speech Sciences (말소리와 음성과학)

Korean Society of Speech Sciences (한국음성학회)
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The effects of repeated speech training using speech cues on the percentage of correct consonants and speech intelligibility in children with cerebral palsy: A single-subject design research

Speech cues를 이용한 반복훈련이 뇌성마비 아동의 자음정확도 및 말명료도에 미치는 영향: 단일대상연구

  • Seo, Saehee (Department of Communication Disorders, Ewha Womans University) ;
  • Jeong, Pilyeon (Ewha Womans University Center for Child Development and Disability) ;
  • Sim, Hyunsub (Department of Communication Disorders, Ewha Womans University)
  • 서새희 (이화여자대학교 언어병리학과) ;
  • 정필연 (이화여자대학교 아동발달센터) ;
  • 심현섭 (이화여자대학교 언어병리학과)
  • Received : 2021.07.31
  • Accepted : 2021.09.10
  • Published : 2021.09.30
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Abstract

This single-subject study examined the effects of repetitive speech training at the word and sentence levels using speech cues on the percentage of correct consonants (PCC) and speech intelligibility of children with cerebral palsy (CP). Three children aged between 5-8 years with a history of CP participated in the study. Thirty-minute intervention sessions were provided four times a week for four weeks. The intervention included repeated training of words and sentences containing target phonemes using two instructions of speech cues, "big mouse" and "strong voice". First, the children improved their average PCC and speech intelligibility, but an effect size analysis indicated that the effect was different for each child, and the effect size for speech intelligibility was higher than for PCC. Second, the intervention effect was generalized to untrained words and sentences. Third, the maintenance effects of PCC and speech intelligibility were very high. These findings suggests that repeated speech training using speech cues is an intervention technique that can help improve PCC and speech intelligibility in children with CP.

본 연구에서는 단일대상연구로서 speech cues를 이용한 반복훈련이 뇌성마비 아동의 자음정확도 및 말명료도에 미치는 영향에 대해 알아보고자 하였다. 연구에는 만 5-8세의 뇌성마비 아동 3명이 참여하였다. 중재는 한 달간 주 4회, 총 16회기 동안 진행하였으며, 한 회기는 30분으로 구성하였다. 훈련과제는 목표 음소가 포함된 1-2음절의 단어와 2어절의 문장을 speech cues의 두 가지 발화유형인 'Big mouth'와 'Strong voice'로 훈련하였다. 연구 결과, 첫째, 세 아동 모두 자음정확도와 말명료도의 평균이 중재단계에서 증가하였으나, 효과크기는 아동 간 상이하였다. 또한, 자음정확도에 비해 말명료도에서 더 높은 효과가 나타났다. 세 아동 모두 훈련 문항에서 유지 효과도 나타났다. 둘째, 세 아동 모두 비훈련 단어와 문장에서 일반화 효과가 나타났다. 따라서 speech cues를 이용한 반복훈련을 통해 뇌성마비 아동의 자음정확도와 말명료도가 증가된 것을 알 수 있었으며, 임상에서 좀 더 쉽고 간편한 중재로 그 효용성이 있다는 것을 확인하였다.

Keywords

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