オブジェクト指向のアクション表現は,部分的に頭皮質に構築されています
Leyla Roksan Caglar1,2, Jon Walbrin2, Emefa Akwayena1,3
1Department of Psychology, Carnegie Mellon University, Pittsburgh, PA 15213.
まとめ
交差回路 (SMG) は,複雑なオブジェクト指向行動を表現するために,運動的シナジーを使用します. 視覚的なモデルとは異なり,SMGの活動は視覚的な類似性ではなく,運動特性によって駆動され,行動計画における役割をサポートします.
科学分野:
- 神経科学
- 認知科学
- モーター コントロール
背景:
- 下側頭葉は物体の操作に不可欠です
- この領域内の超辺回路 (SMG) は,対象方向の行動を処理します.
- 脳が複雑な行動を 表現する方法を理解することは 運動制御の鍵です
研究 の 目的:
- SMGが複雑なオブジェクト指向行動をどのように表すかを調査する.
- これらの表現の基本単位を形成するかどうかを判断する.
- SMGにおける視覚的表現と運動的表現を区別する.
主な方法:
- 経験的に定義された運動相乗効果を用いた線形符号化モデルを開発した.
- これらのシナジーから構成的に複雑なアクションを構築します.
- 画像計算可能な類似性モデル (AlexNet,ResNet50,VGG16) を使用して,SMGのモデル予測と視覚領域の予測を比較した.
主要な成果:
- SMGにおける複雑なオブジェクト指向の動作のニューラル表現は,運動相乗効果モデルによって予測された.
- 視覚類似モデル (AlexNet,ResNet50,VGG16) は視覚領域を予測したが,SMGは予測しなかった.
- SMGの活動は,視覚的ではなく,運動的特性によって調節された.
結論:
- SMGは,複雑なオブジェクト指向のアクションの表現を構築するために,基本的な単位として運動的シナジーを使用します.
- これらの表現は行動に係るもので 視覚的に係るものではありません アプラクシアの研究と一致しています
- 演技のシネージーは 言語生産の特徴に類似し 複雑な行動の構成要素となります
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