バイリンガルな言語の共活性化が,より高いレベルの認知に及ぼす影響

Viorica Marian¹, Sayuri Hayakawa²

¹Northwestern University, Department of Communication Sciences and Disorders.

Current directions in psychological science

|September 2, 2025

まとめ

バイリンガルは言葉や概念を複数の言語で同時に活性化しますこの言語間の活性化は注意力,記憶,概念の組織に影響を与え認知プロセスを根本的に変えます

科学分野:

認知神経科学
心理言語学
バイリンガリズム研究

背景:

関連する言葉や概念にアクティベーションを広げるのです
バイリンガルは複数の言語で互いに関連した語彙的・意味的表現を持っています
言語間の相互作用は認知機能に影響することが知られています

研究の目的:

バイリンガルの言葉の共同活性化が言語を超えた認知システムにどのように影響するかを調査する.
注意力,記憶力,意味学的な組織に対する言語間の意味学および形式ベースの活性化の影響を調査する.
バイリンガルにおける言語の相互作用が精神的操作を根本的に変容させるかどうかを調べる

主な方法:

この研究では,双言語の参加者の注意,記憶,意味関連判断を測定するタスクが含まれていました.
実験的なパラダイムは,聴覚的または視覚的な言葉の刺激を使用して,拡散の活性化を検知している可能性があります.
分析は行動上の結果と潜在的神経画像データに焦点を当てて認知効果を評価した.

主要な成果:

一つの言語で言葉を聞くと両言語で形や意味に関連する単語が活性化します
この並列のアクティベーションは,注意の集中,記憶のエンコーディングと検索,そして意味論的概念の組織に大きな影響を与えます.
言語間のアクティベーションは言語処理を超えてより幅広い認知機能に及ぶことを示唆しています

結論:

バイリンガルの言語処理のインタラクティブな性質は非言語的認知機能に深い影響を及ぼします
バイリンガリズムは絶えず言語間の協働を通して根本的な精神的操作を再構築します
バイリンガル認知を理解するには認知構造全体に浸透する影響を考慮する必要があります

キーワード:

注意してバイリンガル言語メモリ意味論的組織

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