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Electrophysiological Correlates of Self-Prioritization.

Sui, J., He, X., Golubickis, M., Svensson, S. L and Macrae, C N., 2023. Electrophysiological Correlates of Self-Prioritization. Consciousness and Cognition, 108, 103475.

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2023_SuiJ_ConsciousCogn.pdf - Published Version
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DOI: 10.1016/j.concog.2023.103475


Personally relevant stimuli exert a powerful influence on social cognition. What is not yet fully understood, however, is how early in the processing stream self-relevance influences decisional operations. Here we used a shape-label matching task in conjunction with electroencephalography and computational modeling to explore this issue. A theoretically important pattern of results was observed. First, a standard self-prioritization effect emerged indicating that responses to self-related items were faster and more accurate than responses to other-related stimuli. Second, a hierarchical drift diffusion model analysis revealed that this effect was underpinned by the enhanced uptake of evidence from self-related stimuli. Third, self-other discrimination during matching trials was observed at both early posterior N1 and late centro-parietal P3 components. Fourth, whereas the N1 was associated with the rate of information accumulation during decisional processing, P3 activity was linked with the evidential requirements of response selection. These findings elucidate the electrophysiological correlates of self-prioritization.

Item Type:Article
Uncontrolled Keywords:Self; Self-prioritization; Shape-label matching task; Decision-making; EEG; N1; P3; Drift diffusion model
Group:Faculty of Science & Technology
ID Code:38101
Deposited By: Symplectic RT2
Deposited On:06 Feb 2023 16:19
Last Modified:06 Feb 2023 16:19


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