Electrophysiological evidence for greater attention to threat when cognitive control resources are depleted
Cognitive, Affective and Behavioral Neuroscience, ISSN: 1530-7026, Vol: 14, Issue: 2, Page: 827-835
2014
- 50Citations
- 105Captures
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Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
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Metrics Details
- Citations50
- Citation Indexes50
- 50
- CrossRef36
- Captures105
- Readers105
- 105
Article Description
In this study, we investigated the time course of attentional bias for threat-related (angry) facial expressions under conditions of high versus low cognitive (working memory) load. Event-related potential (ERP) and reaction time (RT) data were recorded while participants viewed pairs of faces (angry paired with neutral face) displayed for 500 ms and followed by a probe. Participants were required to respond to the probe while performing a concurrent task of holding in working memory a sequence of digits that were either in the same order (low memory load) or in a random mixed order (high memory load). The ERP results revealed that higher working memory load resulted in enhanced lateralized neural responses to threatening relative to neutral faces, consistent with greater initial orienting of attention to threatening faces (early N2pc: 180-252 ms) and enhanced maintenance of processing representations of threat (late N2pc, 252-320 ms; SPCN, 320-500 ms). The ERP indices showed significant positive relationships with each other, and also with the behavioral index of attentional bias to threat (reflected by faster RTs to probes replacing angry than neutral faces at 500 ms), although the latter index was not significantly influenced by memory load. Overall, the findings indicate that depletion of cognitive control resources, using a working memory manipulation, increases the capacity of task-irrelevant threat cues to capture and hold attention. © 2013 Psychonomic Society, Inc.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=84904295444&origin=inward; http://dx.doi.org/10.3758/s13415-013-0212-4; http://www.ncbi.nlm.nih.gov/pubmed/24165903; https://link.springer.com/10.3758/s13415-013-0212-4; https://dx.doi.org/10.3758/s13415-013-0212-4; https://link.springer.com/article/10.3758/s13415-013-0212-4
Springer Science and Business Media LLC
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