Inter-subject P300 variability relates to the efficiency of brain networks reconfigured from resting- to task-state: Evidence from a simultaneous event-related EEG-fMRI study

Fali Li, Qin Tao, Wenjing Peng, Tao Zhang, Yajing Si, Yangsong Zhang, Chanlin Yi, Bharat Biswal, Dezhong Yao, Peng Xu

Research output: Contribution to journalArticle

Abstract

The P300 event-related potential (ERP) varies across individuals, and exploring this variability deepens our knowledge of the event, and scope for its potential applications. Previous studies exploring the P300 have relied on either electroencephalography (EEG) or functional magnetic resonance imaging (fMRI). We applied simultaneous event-related EEG-fMRI to investigate how the network structure is updated from rest to the P300 task so as to guarantee information processing in the oddball task. We first identified 14 widely distributed regions of interest (ROIs) that were task-associated, including the inferior frontal gyrus and the middle frontal gyrus, etc. The task-activated network was found to closely relate to the concurrent P300 amplitude, and moreover, the individuals with optimized resting-state brain architectures experienced the pruning of network architecture, i.e. decreasing connectivity, when the brain switched from rest to P300 task. Our present simultaneous EEG-fMRI study explored the brain reconfigurations governing the variability in P300 across individuals, which provided the possibility to uncover new biomarkers to predict the potential for personalized control of brain-computer interfaces.

Original languageEnglish (US)
Article number116285
JournalNeuroimage
Volume205
DOIs
StatePublished - Jan 15 2020

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Electroencephalography
Magnetic Resonance Imaging
Brain
P300 Event-Related Potentials
Brain-Computer Interfaces
Prefrontal Cortex
Automatic Data Processing
Biomarkers

All Science Journal Classification (ASJC) codes

  • Neurology
  • Cognitive Neuroscience

Keywords

  • Functional connectivity
  • P300 variability
  • Reconfiguration
  • Simultaneous EEG-fMRI

Cite this

Li, Fali ; Tao, Qin ; Peng, Wenjing ; Zhang, Tao ; Si, Yajing ; Zhang, Yangsong ; Yi, Chanlin ; Biswal, Bharat ; Yao, Dezhong ; Xu, Peng. / Inter-subject P300 variability relates to the efficiency of brain networks reconfigured from resting- to task-state : Evidence from a simultaneous event-related EEG-fMRI study. In: Neuroimage. 2020 ; Vol. 205.
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Inter-subject P300 variability relates to the efficiency of brain networks reconfigured from resting- to task-state : Evidence from a simultaneous event-related EEG-fMRI study. / Li, Fali; Tao, Qin; Peng, Wenjing; Zhang, Tao; Si, Yajing; Zhang, Yangsong; Yi, Chanlin; Biswal, Bharat; Yao, Dezhong; Xu, Peng.

In: Neuroimage, Vol. 205, 116285, 15.01.2020.

Research output: Contribution to journalArticle

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