L2学習者における予測処理:認知的および情動的要因の寄与
1Department of English, Purdue University, West Lafayette, USA.
Psychological research
|January 13, 2026
まとめ
認知的および情動的要因は、言語学習者における意味的予測に影響を与えます。習熟度と気分における個々の違いは、母国語と第二言語の両方の話者における予測処理に大きく影響します。
科学分野:
- 心理言語学
- 認知神経科学
- 第二言語習得
背景:
- 意味的予測は流暢な言語処理に不可欠である。
- 母国語(第一言語)話者および第二言語話者における予測に影響を与える要因を理解することは極めて重要である。
- 認知的および情動的状態は認知機能を調節することが知られている。
研究 の 目的:
- 認知的(ワーキングメモリ、抑制制御)および情動的(気分)要因が第二言語学習者の意味的予測に及ぼす影響を調査すること。
- 第一言語話者と第二言語話者の意味的予測メカニズムを比較すること。
- 認知的能力と気分の個人差が予測にどのように影響するかを調査すること。
主な方法:
- 事象関連電位(ERP)を利用して、意味的予測課題中の神経応答を測定した。
- 標準化された認知テストを使用して、ワーキングメモリ容量と抑制制御を評価した。
- 標準化された誘導手順によって参加者の気分を操作した。
- 集団レベルおよび個人差の相関関係を、認知的/情動的測定値と予測関連ERP成分との間で分析した。
主要な成果:
- 集団レベルの意味的予測は第一言語話者には認められたが、第二言語学習者にはほとんど認められなかった。
- 個々の違いは両群の予測を著しく調節した。
- 第二言語学習者では、高い習熟度と良好な抑制制御がより強い予測効果と相関していた。
- 否定的な気分は第二言語の意味的予測を損なったが、肯定的な気分は限定的な促進効果しか持たなかった。
- 第一言語話者では、抑制制御は特に肯定的な気分で予測を高めた。
結論:
- 認知的および情動的要因は、特に第二言語学習者にとって、意味的予測において複雑な役割を果たしている。
- 第二言語の予測処理における変動を理解するには、個人差が鍵となる。
- 本研究の結果は、第一言語話者および第二言語話者における認知、情動、言語理解の相互作用を強調している。
- この研究は、情動的および認知的次元を統合することによって、言語処理のより微妙な見方を提供している。
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