プロ社会的相互作用におけるアフィリエイトタッチの神経制御
Ye Emily Wu1,2, James Dang3,4, Lyle Kingsbury3,4
1Department of Biological Chemistry, David Geffen School of Medicine, University of California, Los Angeles, CA, USA. ye.wu@ucla.edu.
Nature
|October 14, 2021
まとめ
ネズミは困った相手に対して 慰められるように振る舞います このプロ社会的行動は,中枢桃体 (MeA) の特定の神経細胞によって制御され,社会的接触のための神経基盤を強調しています.
科学分野:
- 神経科学
- エトロジー
- 社会的行動
背景:
- アフィリエイト・タッチのような 社会的行動は 社会的種の福祉にとって 極めて重要です
- アログルーミングを含む 社交的な接触は 社会的絆を強くし 苦しんでいる人たちを慰めるのです
- 社会的接触の背後にある神経メカニズムは 未知のままです
研究 の 目的:
- ネズミのプロソーシャル・アフィリエイト・タッチを 制御する神経回路の調査です
- 脳が苦痛の信号を どう処理し 慰めの行動を 誘発するのかを理解する
主な方法:
- 困ったパートナーに対するマウスのアログルーミング行動.
- 桃体の中央部 (MeA) の神経活動を監視するために微視内視鏡カルシウム画像を用いた.
- MeAニューロンと行動の間の因果関係を確立するために,交差関数操作を使用した.
主要な成果:
- ネズミは困った同種の動物に アログルーミングを強め 嗅覚の信号にも反応します
- MeAのニューラル活動は,素朴な人と苦悩する個人を区別し,アログルーミングと相関しています.
- タキニンを発現するMeA GABAergicニューロンの特定のサブポピュレーションは,中部前視領域へのプロジェクションを通じてアログルーミングを促進するために不可欠であると特定されました.
結論:
- ネズミはアログルーミングを通じて 社会的慰めの行動を示します
- 中枢桃体 (MeA) はアフィリエイトタッチの神経制御に重要な役割を果たします.
- この研究により 特定の神経回路が 社会的触覚をコードし 実行する仕組みを明らかにしました
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