记忆集成在人类空间导航期间基于价值的决策中的神经相关性
Qiliang He1, Jancy Ling Liu2, Lou Eschapasse1
1School of Psychology, Georgia Institute of Technology, USA.
Neuropsychologia
|December 16, 2023
概括
这项研究揭示了大脑如何通过整合空间记忆来评估导航选择. 不同的大脑区域,包括前额叶皮质,都会根据任务要求参与其中.
科学领域:
- 神经科学是一个神经科学.
- 认知科学 认知科学
- 决策 - 决策 - 决策 - 决策
背景情况:
- 基于价值的决策依赖于内存集成和细分.
- 决策的神经相关性得到了很好的研究,但对空间导航和记忆的研究较少.
- 之前的研究已经探索了记忆和决策的计算模型.
研究的目的:
- 调查涉及分段或集成路径结果的决策的神经基质.
- 检查不同的空间导航任务需求如何影响基于价值的决策.
- 识别参与估计导航选择价值的大脑区域.
主要方法:
- 虚拟空间导航任务具有不同的需求.
- 记忆和决策的计算建模.
- 神经成像技术用于测量神经活动 (隐含).
主要成果:
- 当需要空间距离计算和自我导航能力评估时,估计值 (EV) 调节了dorsomedial prefrontal (dmPFC) 和ventrolateral prefrontal (vlPFC) 皮质中的活性.
- 顶顶皮层在只需要空间距离记忆的情况下跟踪了EV,而没有评估自我导航能力.
- 根据空间处理需求,在基于价值的决策中识别了不同的神经基板,用于记忆集成.
结论:
- 在空间导航中基于价值的决策的神经机制因认知负载和记忆需求而有所不同.
- 前额叶皮质在需要复杂空间记忆评估的决策中起着关键作用.
- 周围皮质参与更简单的基于空间记忆的价值估计.
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