Predicting Stroop Effect from Spontaneous Neuronal Activity: A Study of Regional Homogeneity

Congcong Liu, Zhencai Chen, Ting Wang, Dandan Tang, Glenn Hitchman, Jiangzhou Sun, Xiaoyue Zhao, Lijun Wang, Antao Chen, Bart Rypma (Editor)

Research output: Contribution to JournalArticlepeer-review

Abstract

The Stroop effect is one of the most robust and well-studied phenomena in cognitive psychology and cognitive neuroscience. However, little is known about the relationship between intrinsic brain activity and the individual differences of this effect. In the present study, we explored this issue by examining whether resting-state functional magnetic resonance imaging (rs-fMRI) signals could predict individual differences in the Stroop effect of healthy individuals. A partial correlation analysis was calculated to examine the relationship between regional homogeneity (ReHo) and Stroop effect size, while controlling for age, sex, and framewise displacement (FD). The results showed positive correlations in the left inferior frontal gyrus (LIFG), the left insula, the ventral anterior cingulate cortex (vACC), and the medial frontal gyrus (MFG), and negative correlation in the left precentral gyrus (LPG). These results indicate the possible influences of the LIFG, the left insula, and the LPG on the efficiency of cognitive control, and demonstrate that the key nodes of default mode network (DMN) may be important in goal-directed behavior and/or mental effort during cognitive control tasks.
Original languageEnglish
Pages (from-to)1-14
Number of pages14
JournalPLoS ONE
DOIs
Publication statusPublished - 4 May 2015

Keywords

  • Stroop Effect
  • Cognitive Psychology
  • Cognitive Neuroscience

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