期刊
NEUROPSYCHOLOGIA
卷 151, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.neuropsychologia.2020.107731
关键词
Social anxiety; Visual working memory; Attentional bias; N2pc; Top-down; Bottom-up
资金
- National Natural Science Foundation of China [31571143, 31470980]
The study found that individuals with social anxiety exhibited attentional bias under conditions of no visual working memory load, highlighting the critical role of top-down attention in social anxiety-related attentional bias.
There is a debate about the relative contributions of top-down and bottom-up attention to the threat-related attentional bias. In this study we investigated the attentional bias in individuals with social anxiety under conditions of no, low and high visual working memory (WM) load. Event-related potential (ERP) and response time (RT) data were recorded while participants performed the dot-probe task and a concurrent change-detection task. The ERP results revealed that the maximum N2pc effect emerged in no visual WM load condition in individuals with social anxiety. The difference of N2pc effect between high socially anxious (HSA) and low socially anxious (LSA) groups was observed in no visual WM load condition, whereas this difference was eliminated under low and high load conditions. However, no significant main effects or interactions were observed in the behavioral index (reflected by Trial Level-Bias Score variability). Overall, the findings indicate the critical role of top-down attention on social anxiety-related attentional bias, which have important implication for attentional bias modification.
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