脳のイベントとオブジェクトの概念のための共通の表現コード
Jia-Qing Tong1, Jeffrey R Binder1,2, Lisa L Conant1
1Department of Neurology, Medical College of Wisconsin, Milwaukee, WI, USA.
bioRxiv : the preprint server for biology
|September 2, 2025
まとめ
オブジェクトとイベントの概念のニューラル表現は 異なるカテゴリーではなく 共通のコードを共有しています この発見は 概念的表現と脳とコンピュータの インタフェースの理解を進めるものです
科学分野:
- 認知神経科学
- 神経イメージング
- 計算神経科学
背景:
- 人間は物体や出来事を通して世界を概念化します
- オブジェクトとイベントの概念表現のニューラルベースは不明です.
- 分類的な区別と共有された表現のコードを調査する.
研究 の 目的:
- オブジェクトとイベントの概念のニューラル表現が分別的に異なるかどうかを判断する.
- 共有された表現コードの性質を調査する.
- 脳とコンピュータのインタフェース技術への影響を探る
主な方法:
- 機能的磁気共鳴画像 (fMRI) データ分析
- ニューラル応答のマルチボキセルパターン分析 (MVPA)
- 経験的な評価を用いた特徴ベースの解読モデル.
主要な成果:
- オブジェクトとイベントのコンセプトは,アソシエーションの皮質全体に重なり合うパターンで表現されます.
- 両方の概念型の解読に有効な共有表現コードが特定されました.
- 共有コードとカテゴリー別アクティベーションの違いの両方をモデル化した.
結論:
- オブジェクトとイベントの表現の間の神経解剖学的違いは,基本的な経験の特徴の定量的な変化から生じる.
- オブジェクトとイベントの概念的処理の基礎となっている.
- このコードの特徴づけは 概念的なコンテンツを 解読する脳コンピュータインターフェースの開発に不可欠です
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