Texas A&M Institute for Neuroscience and Department of Psychological and Brain Sciences, Texas A&M University.
Emotion. 2020 Aug;20(5):874-889. doi: 10.1037/emo0000599. Epub 2019 Mar 14.
What we direct our attention to is strongly influenced by both bottom-up and top-down processes. Moreover, the control of attention is biased by prior learning, such that attention is automatically captured by stimuli previously associated with either reward or threat. It is unknown whether value-oriented and threat-oriented mechanisms of selective information processing function independently of one another, or whether they interact with each other in the selection process. Here, we introduced the threat of electric shock into the value-driven attentional capture paradigm to examine whether the experience of threat influences the attention capturing quality of previously reward-associated stimuli. The results showed that value-driven attentional capture was blunted by the experience of threat. This contrasts with previous reports of threat potentiating attentional capture by physically salient stimuli, which we replicate here. Our findings demonstrate that threat selectively interferes with value-based but not salience-based attentional priority, consistent with a competitive relationship between value-based and threat-based information processing. (PsycInfo Database Record (c) 2020 APA, all rights reserved).
我们的注意力会受到自下而上和自上而下过程的强烈影响。此外,注意力的控制受到先前学习的影响,使得注意力会自动被先前与奖励或威胁相关联的刺激所捕获。目前尚不清楚以价值为导向和以威胁为导向的选择性信息处理机制是否相互独立,或者它们在选择过程中是否相互作用。在这里,我们在价值驱动的注意力捕获范式中引入了电击的威胁,以检验威胁的体验是否会影响先前与奖励相关联的刺激的注意力捕获质量。结果表明,威胁体验削弱了价值驱动的注意力捕获。这与先前关于物理上显著的刺激增强威胁注意力捕获的报告形成对比,我们在这里复制了这一报告。我们的研究结果表明,威胁选择性地干扰基于价值的注意力优先级,而不是基于显著度的注意力优先级,这与基于价值和基于威胁的信息处理之间的竞争关系一致。