在的前皮层中,自我和他人行为的动态空间表现
Taihei Ninomiya1,2, Masaki Isoda1,2
1Division of Behavioral Development, Department of System Neuroscience, National Institute for Physiological Sciences, National Institutes of Natural Sciences, Okazaki, Aichi 444-8585, Japan.
概括
神经活动的空间调整为行动的变化与社会背景. 中间前额叶皮层 (MPFC) 神经元在拍摄伴侣时显示出对伴侣行动的空间偏好减少,与腹前运动皮层 (PMv) 神经元不同.
科学领域:
- 神经科学是一个神经科学.
- 社会认知是指社会认知.
- 灵长类动物的大脑
背景情况:
- 神经元发射速度是由物体位置调节的,但对生物行为和社会背景影响的空间调整仍然不清楚.
- 了解这些机制对于体现的社会认知至关重要,包括模仿和视角.
研究的目的:
- 研究神经元对行动的反应是如何在空间上调节的.
- 确定社会背景是否能动态地改变这些空间表征.
- 检查腹前运动皮层 (PMv) 和中部前额皮层 (MPFC) 在社会认知中的作用.
主要方法:
- 子执行了一个轮流选择任务,与真实的对比拍摄的合作伙伴.
- 在PMv和MPFC中记录单个神经元的活动.
- 分析了在不同社会背景下对自我行动和伙伴行动的空间偏好.
主要成果:
- 与真实伴侣相比,MPFC神经元对与拍摄的伴侣的合作伙伴行动的空间偏好有所减少.
- 这种依赖于社会背景的调制也被观察到在MPFC的自我行动中.
- 在PMv和MPFC中,神经元的一个子集对自我与伴侣的行为表现出截然不同的空间偏好.
结论:
- 根据社会相关性,MPFC可以动态调整行动的空间表示.
- PMv可以以更独立于环境的方式处理空间行动信息.
- 这些发现表明,PMv和MPFC参与了对视角的协调转换,MPFC对社会背景更敏感.
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