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Ventromedial prefrontal cortex supports affective future simulation by integrating distributed knowledge

机译:腹内侧前额叶皮层通过整合分布的知识来支持未来的情感模拟

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摘要

Although the future often seems intangible, we can make it more concrete by imagining prospective events. Here, using functional MRI, we demonstrate a mechanism by which the ventromedial prefrontal cortex supports such episodic simulations, and thereby contributes to affective foresight: This region supports processes that (i) integrate knowledge related to the elements that constitute an episode and (ii) represent the episode’s emergent affective quality. The ventromedial prefrontal cortex achieves such integration via interactions with distributed cortical regions that process the individual elements. Its activation then signals the affective quality of the ensuing episode, which goes beyond the combined affective quality of its constituting elements. The integrative process further augments long-term retention of the episode, making it available at later time points. This mechanism thus renders the future tangible, providing a basis for farsighted behavior.
机译:尽管未来似乎常常是无形的,但我们可以通过想象未来的事件来使其更加具体。在这里,我们使用功能性MRI展示了一种机制,腹侧前额叶皮层通过这种机制支持这种情景模拟,从而有助于情感预见:该区域支持以下过程:(i)整合与构成情节的元素有关的知识,以及(ii)代表剧集的紧急情感品质。腹侧前额叶皮层通过与处理单个元素的分布皮质区域的相互作用实现这种整合。然后,它的激活预示着随后的情节的情感质量,这超出了其构成元素的综合情感质量。整合过程进一步增强了情节的长期保留,使其可在以后的时间点使用。因此,这种机制使未来变得有形,为远见卓识的行为提供了基础。

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