前后轨道前皮层对以结果为导向的行为有着明显的贡献
Qingfang Liu1, Daria Porter2, Hadeel Damra2
1National Institute on Drug Abuse Intramural Research Program, Baltimore, MD 21224, USA.
Current biology : CB
|November 4, 2025
概括
前侧轨道前皮层 (OFC) 支持学习刺激-结果关联,而后侧 OFC 则有助于推断目标导向行为的选项值.
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
- 决策 决策 决策 决策 决策
背景情况:
- 侧轨前皮层 (OFC) 对于根据不断变化的结果值来调整选择至关重要.
- 侧面OFC的前部 (aOFC) 和后部 (pOFC) 区域具有不同的细胞架构和连接性,但它们在结果导向行为中的特定作用尚未完全理解.
研究的目的:
- 调查前后侧OFC对结果导向行为的差异性贡献.
- 确定这些子区域是否支持不同的功能:学习刺激-结果关联和推断当前选项值.
主要方法:
- 利用跨磁刺激 (TMS) 选择性地破坏pOFC和aOFC中的功能网络.
- 用48名参与者进行了为期两天的结果值任务.
- 在学习刺激-结果关联 (第1天) 或在结果值 (第2天) 之前应用TMS,然后进行选择测试.
主要成果:
- 在第2天的结果值之前,扰乱POFC网络损害了参与者根据值调整选择的能力.
- 在第一天学习刺激-结果关联之前破坏aOFC网络,损害了随后的选择行为.
- 这些结果表明pOFC在价值推理和aOFC在关联式学习中的不同角色.
结论:
- 前侧和后侧OFC在以结果为导向的行为中起着不同的作用.
- aOFC对于学习刺激与结果的关联至关重要.
- 在决策过程中,POFC对于推断期权的当前价值至关重要.
关键词:
适应性行为适应性行为.认知地图是一个认知地图.决策是做出决策的过程.货币值,是指货币的值.推理推论是指一个推论的结论.轨道前皮层 (orbitofrontal cortex) 是一个脑皮层.以结果为导向的行为.奖励 奖励 奖励 奖励 奖励跨的磁性刺激变量自动编码器 变量自动编码器更多相关视频
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