感情的行動状態の心臓学的制御
Brian Hsueh1, Ritchie Chen1, YoungJu Jo1
1Department of Bioengineering, Stanford University, Stanford, CA, USA.
Nature
|March 1, 2023
まとめ
心拍の上昇はマウスの不安のような行動を誘発します 特に危険な状況ではです これは感情状態において 身体から脳への 下から上への経路を示唆しています
科学分野:
- 神経科学
- 心臓病科
- 心理学
背景:
- 感情的な状態は 心拍のような生理的なプロセスに影響します
- 心拍が感情的状態,特に不安に与える影響は不明である.
- 生理学的な理論では 身体から脳への 重要な情報の流れが 感情によって起こるのです
研究 の 目的:
- 心拍数の増加が 不安のような行動を誘発するかどうかを調べるため
- 身体が脳に 感情を伝達する役割を 探求する
- 心臓活動が行動に及ぼす影響を媒介する神経メカニズムを特定する.
主な方法:
- マウスにおける心拍の正確な制御のための非侵襲的な光遺伝的ペースメーカーの開発.
- ウェアラブルなマイクロLED・ハーネスと チャネルロドプシン・ウイルスを使った
- 活性化された脳領域を特定するために 全脳活動スクリーニングと 電気生理学を使用します
主要な成果:
- 光学的に誘発された早心症は リスクのある状況で不安のような行動が 顕著に増加した.
- 後部島皮質は 強制された心臓リズムによって活性化される脳領域と特定されました
- 光学的に誘発された不安のような行動を弱めた.
結論:
- 心臓の活動が 感情状態に直接影響を及ぼし 感情のボトムアップ理論を支持します
- 後部島皮質は心臓の整体感受処理と不安を媒介する上で重要な役割を果たします
- 身体と脳の関節の相互作用を理解することは 感情状態を理解するために不可欠です
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