Relationship between development of phonological awareness and episodic buffer in children with cochlear implant

2022 Fiscal Year Final Research Report

• Project/Area Number: 19K02949
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Multi-year Fund
• Section: 一般
• Review Section: Basic Section 09060:Special needs education-related
• Research Institution: Tsukuba University of Technology
• Principal Investigator: Chonan Hirohito 筑波技術大学, 障害者高等教育研究支援センター, 教授 (70364130)
• Co-Investigator(Kenkyū-buntansha): 澤 隆史 東京学芸大学, 教育学部, 教授 (80272623) ; 濱田 豊彦 東京学芸大学, 教育学部, 教授 (80313279)
• Project Period (FY): 2019-04-01 – 2023-03-31
• Keywords: 人工内耳装用児 / 音韻意識 / ワーキングメモリ

Outline of Final Research Achievements

The purpose of this study was to examine the development of phonological awareness in hearing-impaired children and the involvement of components of working memory. As a result, in the syllable segmentation task, there was almost no relationship between working memory components in both hearing aid-wearing and cochlear implant-wearing children. Syllable extraction involved visuospatial sketchpads and executive functions in hearing aid wearers. On the other hand, cochlear-implanted children used all components of working memory. Similar results were observed in children with normal hearing, suggesting that the children with cochlear implants performed the mental task of extracting syllables in the same way as children with normal hearing.

Free Research Field

教育心理学

Academic Significance and Societal Importance of the Research Achievements

人工内耳装用児の音韻分析は、ワーキングメモリと関連するという健聴児と同様の処理を行うことが見いだされ、人工内耳装用が聴知覚のみならず、認知能力である音韻意識の発達にも促進的に作用することがわかった。特に音節抽出において、人工内耳装用児はワーキングメモリのコンポーネントの全てを用いるという点は、多感覚を利用した指導の有効性を示唆し、教育方法においても健聴児と同様に行うことの重要性を確認することができた。