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社会工作记忆及其与社会认知能力的独特联系:一项功能磁共振成像研究。

Social working memory and its distinctive link to social cognitive ability: an fMRI study.

作者信息

Meyer Meghan L, Taylor Shelley E, Lieberman Matthew D

机构信息

UCLA Psychology Department, Los Angeles, CA, USA

UCLA Psychology Department, Los Angeles, CA, USA.

出版信息

Soc Cogn Affect Neurosci. 2015 Oct;10(10):1338-47. doi: 10.1093/scan/nsv065. Epub 2015 May 18.

Abstract

Engaging social working memory (SWM) during effortful social cognition has been associated with neural activation in two neurocognitive systems: the medial frontoparietal system and the lateral frontoparietal system. However, the respective roles played by these systems in SWM remain unknown. Results from this study demonstrate that only the medial frontoparietal system supports the social cognitive demands managed in SWM. In contrast, the lateral frontoparietal system supports the non-social cognitive demands that are needed for task performance, but that are independent of the social cognitive computations. Moreover, parametric increases in the medial frontoparietal system, but not the lateral frontoparietal system, in response to SWM load predicted performance on a challenging measure of perspective-taking. Thus, the medial frontoparietal system may uniquely support social cognitive processes in working memory and the working memory demands afforded by effortful social cognition, such as the need to track another person's perspective in mind.

摘要

在费力的社会认知过程中运用社会工作记忆(SWM)与两个神经认知系统的神经激活有关:内侧额顶叶系统和外侧额顶叶系统。然而,这些系统在SWM中各自所起的作用仍不清楚。本研究结果表明,只有内侧额顶叶系统支持SWM中所管理的社会认知需求。相比之下,外侧额顶叶系统支持任务执行所需的非社会认知需求,但这些需求独立于社会认知计算。此外,内侧额顶叶系统而非外侧额顶叶系统对SWM负荷的参数增加预测了在一项具有挑战性的换位思考测量中的表现。因此,内侧额顶叶系统可能独特地支持工作记忆中的社会认知过程以及费力的社会认知所带来的工作记忆需求,比如在脑海中追踪他人观点的需求。

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