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Updated: Mar 17, 2026
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In Vivo Wireless Optogenetic Control of Skilled Motor Behavior
Published on: November 22, 2021
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ストライタルプロジェクション・パスウェイの行動開始と実行への補完的な貢献
Fatuel Tecuapetla1, Xin Jin2, Susana Q Lima3
1Champalimaud Neuroscience Programme, Champalimaud Centre for the Unknown, Avenida De Brasília, Lisbon 1400-038, Portugal; Neuropatologia Molecular, Instituto de Fisiología Celular, Universidad Nacional Autónoma de México, Ciudad Universitaria, Circuito exterior s/n, Ciudad de México 04510, México.
Cell
|July 26, 2016
まとめ
学習した行動の開始と実行に不可欠です. 学習した行動の開始と実行に不可欠です. 経路の優位性だけでなく 協調された活動が 円滑な動きの開始とパフォーマンスを 制御します
科学分野:
- 神経科学
- モーター コントロール
- ベースリンパの機能
背景:
- 運動の促進と抑制を制御する2つの主要な経路 (直接的および間接的) が仮定されている.
- 学習された行動シーケンスにおけるこれらの経路の正確な役割を理解することは,運動制御の研究にとって不可欠です.
研究 の 目的:
- 学習されたアクションシーケンスを開始し実行する際に,直接的なストライアトニグラル経路と間接的なストライアトポリダル経路の特定の貢献を解剖する.
- 運動の開始と実行を制御する制御メカニズムを解明する.
主な方法:
- 動物モデルでの状態依存の光遺伝的操作を利用した.
- アクションシーケンスの実行前および実行中に直接的および間接的な経路を抑制または刺激する効果を調査した.
主要な成果:
- 学習した行動のスムーズな開始と実行には,直接的な経路と間接的な経路の両方が必要です.
- 開始前の阻害または刺激は遅延を増加させ,ストライアトニグラス経路の操作は開始を遅らせ,ストライアポリダス経路の操作は中止する.
- 開始後の阻害は進行中の実行を阻害し,ストライアトニグラの活性化が持続し,ストライアポリダの操作は中止した.
結論:
- この発見は,運動制御における基礎性腺機能の 支持型対許容型モデルを支持する.
- 各経路における相対的な活動レベルではなく 協調された活動パターンが 運動の開始と実行の重要な規制因子です
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