意思決定中の感覚と行動を結びつける脳全体のダイナミクス

Andrei Khilkevich¹, Michael Lohse², Ryan Low³

¹Sainsbury Wellcome Centre for Neural Circuits and Behaviour, University College London, London, UK. a.khilkevich@ucl.ac.uk.

Nature

|September 11, 2024

まとめ

学習は意思決定のための脳全体の神経活動を変化させます証拠の統合と行動の準備が脳の多くの領域に並行して感覚運動の変容を可能にします

科学分野:

神経科学
認知科学
計算神経科学

背景:

感知的な決定は証拠の統合を通して感覚の入力と行動を結びつけます
感覚処理のオーケストレーション証拠の蓄積脳の領域間の運動制御は十分に理解されていません

研究の目的:

意思決定の過程で感覚の入力から行動の実行への変換を脳全体の神経活動がどのように指揮するかを調査する.
学習された知覚的な意思決定の過程で脳の領域間の情報の流れをマップします

主な方法:

視覚的証拠を報告するマウスの脳全体の神経活動を記録した.
証拠の統合,運動の準備,実行に関連した神経集団のダイナミクスを分析した.

主要な成果:

脳の広い領域に統合された証拠が運動準備活動を促しました
視覚的な情報は一時的な感覚反応から,並列の証拠の蓄積を支える持続的な表現に変換されます.
共有された集団の活動は,移動の実行とは異なる,暗号化された証拠と移動の準備です.
脳の領域に固有のものではありません.

結論:

学習は多くの脳の領域で証拠の蓄積と行動の準備を結びつけます
意思決定には,高度に分散した並列化された感覚運動の変換が含まれます.
感覚的証拠が行動にどのように影響するかを理解するために,脳全体の枠組みが提案されています.

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