在的轨道前皮层和腹侧前皮层的子部分内,决策变量的可分离表示
Frederic M Stoll1, Peter H Rudebeck1
1Nash Family Department of Neuroscience and Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, One Gustave L. Levy Place, New York, NY, 10029, USA.
的腹前皮层 (VFC) 在决策过程中显示出其各个子部分的多样的神经编码. 不同的VFC领域专门处理奖励和选择评估的各个方面.
科学领域:
- 神经科学是一个神经科学.
- 认知神经科学 认知神经科学
- 灵长类大脑研究研究
背景情况:
- 腹前皮层 (VFC) 对于决策至关重要,它整合了情感和认知过程.
- VFC包括轨道前皮层,腹侧前皮层和前侧岛内不同的子部分.
- 之前的研究缺乏足够的分辨率来确定神经表征是否在这些VFC细分中存在差异.
研究的目的:
- 调查与决策相关的神经表征在VFC分支中的分离性.
- 绘制不同VFC子区域在处理基于奖励的选择中的功能专业化.
主要方法:
- 记录了来自数千个神经元的神经活动在八个解剖学上定义的VFC亚区域在子子.
- 子执行了一个两种选择的概率任务,涉及不同的果汁奖励.
- 分析神经活动来编码决策变量,奖励概率,结果质量和奖励交付.
主要成果:
- 在八个VFC分区中观察到决策变量编码的显著差异.
- 在选择评估过程中,分区121独特地整合了多个属性.
- 区域12o主要代表奖励概率和收到,而11m/l显示结果质量的特定表示.
结论:
- 这项研究揭示了灵长类VFC的解剖学上不同的分支中显著的功能多样性.
- 不同的VFC分区域在处理基于奖励的决策的各个方面表现出专门的角色.
- 这种详细的映射使我们对基础上的灵活行为的神经计算有了更深入的了解.
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