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Neural correlates of depth of strategic reasoning in medial prefrontal cortex

机译：内侧前额叶皮层策略推理深度的神经相关

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摘要

We used functional MRI (fMRI) to investigate human mental processes in a competitive interactive setting-the "beauty contest" game. This game is well-suited for investigating whether and how a player's mental processing incorporates the thinking process of others in strategic reasoning. We apply a cognitive hierarchy model to classify subject's choices in the experimental game according to the degree of strategic reasoning so that we can identify the neural substrates of different levels of strategizing. According to this model, high-level reasoners expect the others to behave strategically, whereas low-level reasoners choose based on the expectation that others will choose randomly. The data show that high-level reasoning and a measure of strategic IQ (related to winning in the game) correlate with the neural activity in the medial prefrontal cortex, demonstrating its crucial role in successful mentalizing. This supports a cognitive hierarchy model of human brain and behavior.
机译：我们使用功能性MRI（fMRI）在竞争性互动环境（“美人大赛”）中调查了人类的心理过程。该游戏非常适合调查玩家的心理处理方式以及如何将他人的思维过程纳入战略推理中。我们根据策略性推理的程度，应用认知层次模型对实验游戏中受试者的选择进行分类，从而可以识别出不同策略水平的神经基质。根据该模型，高级推理者期望其他人具有战略性的行为，而低级推理者则基于其他人将随机选择的期望进行选择。数据显示，高级推理和策略性智商的度量（与游戏中的获胜有关）与内侧前额叶皮层中的神经活动相关，证明了其在成功地进行心理思考中的关键作用。这支持了人脑和行为的认知层次模型。

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