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属性框架与个体差异的神经影像学研究。

A neuroimaging investigation of attribute framing and individual differences.

作者信息

Murch Kevin B, Krawczyk Daniel C

机构信息

Department of Psychiatry, University of Texas Southwestern Medical Center, Dallas, TX, USA 75390 and Center for BrainHealth®, School of Behavioral and Brain Sciences, The University of Texas at Dallas, Dallas, TX, USA 75235.

Department of Psychiatry, University of Texas Southwestern Medical Center, Dallas, TX, USA 75390 and Center for BrainHealth®, School of Behavioral and Brain Sciences, The University of Texas at Dallas, Dallas, TX, USA 75235 Department of Psychiatry, University of Texas Southwestern Medical Center, Dallas, TX, USA 75390 and Center for BrainHealth®, School of Behavioral and Brain Sciences, The University of Texas at Dallas, Dallas, TX, USA 75235

出版信息

Soc Cogn Affect Neurosci. 2014 Oct;9(10):1464-71. doi: 10.1093/scan/nst140. Epub 2013 Aug 29.

Abstract

Functional magnetic resonance imaging was used to evaluate the neural basis of framing effects. We tested the reflexive and reflective systems model of social cognition as it relates to framing. We also examined the relationships among frame susceptibility, intelligence and personality measures. Participants evaluated whether personal attributes applied to themselves from multiple perspectives and in positive and negative frames. Participants rated whether each statement was descriptive or not and endorsed positive frames more than negative frames. Individual differences on frame decisions enabled us to form high and low frame susceptibility groups. Endorsement of frame-consistent attributes was associated with personality factors, cognitive reflection and intelligence. Reflexive brain regions were associated with positive frames while reflective areas were associated with negative frames. Region of Interest analyses showed that frame-inconsistent responses were associated with increased activation within reflective cognitive control regions including the left dorsolateral prefrontal cortex (PFC), dorsomedial PFC and left ventrolateral PFC. Frame-consistent responses were associated with increased activation in the right orbitofrontal cortex. These results demonstrate that individual differences in frame susceptibility influence personal attribute evaluations. Overall, this study clarifies the neural correlates of the reflective and reflexive systems of social cognition as applied to decisions about social attributions.

摘要

功能磁共振成像被用于评估框架效应的神经基础。我们测试了与框架相关的社会认知的反射性和反思性系统模型。我们还研究了框架易感性、智力和人格测量之间的关系。参与者从多个角度并在积极和消极框架下评估个人属性是否适用于自己。参与者对每条陈述是否具有描述性进行评分,并对积极框架的认可程度高于消极框架。框架决策上的个体差异使我们能够形成高框架易感性组和低框架易感性组。对框架一致属性的认可与人格因素、认知反思和智力有关。反射性脑区与积极框架相关,而反思性区域与消极框架相关。感兴趣区域分析表明,与框架不一致的反应与包括左侧背外侧前额叶皮层(PFC)、背内侧PFC和左侧腹外侧PFC在内的反思性认知控制区域内的激活增加有关。与框架一致的反应与右侧眶额叶皮层的激活增加有关。这些结果表明,框架易感性的个体差异会影响个人属性评估。总体而言,本研究阐明了应用于社会归因决策的社会认知的反思性和反射性系统的神经关联。

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