相対価値決定のための値上昇プロセス
Vikram Vijayan1, Fei Wang2,3, Kaiyu Wang2,4
1Laboratory of Integrative Brain Function and Howard Hughes Medical Institute, The Rockefeller University, New York, NY, USA. vvijayan@rockefeller.edu.
Nature
|July 5, 2023
まとめ
フルーツ・フライ
科学分野:
- 神経科学
- 動物 の 行動
- 昆虫 の 生理 学
背景:
- 迅速な意思決定のための 神経信号は知られていますが 長期にわたる自己発動的な意思決定については 理解は不足しています
- ドロソフィラ・メラノガスターは 卵を産む場所の選択を 数分間にわたって行います
- 特定のニューロン,オビDNsは,卵の置くモータープログラムを開始に関与しています.
研究 の 目的:
- ドロソフィラの自己決定的な 相対的価値決定の基礎にある 神経機構を調査する
- 卵を産む場所の選択時の卵巣DNAの活動について説明する.
- 意思決定プロセスを規制する回路要素を特定する.
主な方法:
- ドロソフィラの脳におけるOviDNのカルシウムイメージング
- oviDN活動の必要性と十分性を評価するための混乱実験.
- oviDNsへの再発性神経回路の識別と機能分析
主要な成果:
- 卵巣DNAの特定のカルシウム信号は,卵の準備,基板値,意思決定と相関しています.
- このシグナルは,値上げのダイナミクスを示し,意思決定のタイミングと結果に影響を与えます.
- 複数の細胞タイプを含む再発性回路は,卵巣DNA機能と産卵に不可欠です.
結論:
- で制御される 値上昇過程が の自律的な相対的な価値決定の 基礎となっています
- この神経プロセスの 値以下の変化は 意思決定の時間と選択を調整します
- 特定された再帰回路は 複雑な行動的決定の 神経的基盤の洞察を提供します
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