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脊椎中体投射前带带皮层神经元调节小鼠的帮助行为
Da Song1, Chunjian Wang1, Yue Jin1
1Key Laboratory of Molecular Medicine and Biotherapy, School of Life Science, Beijing Institute of Technology, Beijing 100081, China.
Current biology : CB
|September 21, 2023
概括
小鼠通过切换杆来避免伤害他人,这是一种由前带皮质 (ACC) 和中脊柱体 (MDL) 电路驱动的亲社会行为. 这种神经通路对于防止社会危害至关重要.
科学领域:
- 神经科学是一个神经科学.
- 行为生物学 行为生物学
- 社会行为 社交行为
背景情况:
- 亲社会行为,如帮助他人,在许多社会物种中被观察到.
- 了解这些行为背后的神经机制对于理解社会认知至关重要.
研究的目的:
- 在小鼠中调查亲社会伤害回避行为的神经基础.
- 为了确定参与调节这种行为的特定大脑电路.
主要方法:
- 一个偏好杆切换任务被调整为研究避免伤害.
- 用单单元记录和神经轨迹解码来分析大脑活动.
- 光遗传学被用来操纵特定神经回路的活动.
主要成果:
- 避免伤害的行为受到自我体验,视觉和社交接触的影响,而不是性别或熟悉.
- 前带带皮层 (ACC) 神经活动动态与避免伤害的表现相关.
- 鉴定出ACC-中脊柱体 (MDL) 电路是调节避免伤害的关键途径.
结论:
- ACC-MDL电路在调节亲社会行为的过程中起着至关重要的作用,以防止对同类动物造成伤害.
- 这项研究提供了关于神经精神疾病的潜在治疗点的见解,这些疾病的特征是社会行为缺陷.
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