Relating neural oscillations to laminar fMRI connectivity in visual cortex

René Scheeringa*, Mathilde Bonnefond, Tim van Mourik, Ole Jensen, David G Norris, Peter J Koopmans

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

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Laminar functional magnetic resonance imaging (fMRI) holds the potential to study connectivity at the laminar level in humans. Here we analyze simultaneously recorded electroencephalography (EEG) and high-resolution fMRI data to investigate how EEG power modulations, induced by a task with an attentional component, relate to changes in fMRI laminar connectivity between and within brain regions in visual cortex. Our results indicate that our task-induced decrease in beta power relates to an increase in deep-to-deep layer coupling between regions and to an increase in deep/middle-to-superficial layer connectivity within brain regions. The attention-related alpha power decrease predominantly relates to reduced connectivity between deep and superficial layers within brain regions, since, unlike beta power, alpha power was found to be positively correlated to connectivity. We observed no strong relation between laminar connectivity and gamma band oscillations. These results indicate that especially beta band, and to a lesser extent, alpha band oscillations relate to laminar-specific fMRI connectivity. The differential effects for alpha and beta bands indicate that they relate to different feedback-related neural processes that are differentially expressed in intra-region laminar fMRI-based connectivity.
Original languageEnglish
Article numberbhac154
JournalCerebral Cortex
Early online date5 May 2022
Publication statusE-pub ahead of print - 5 May 2022


  • laminar-fMRI
  • connectivity
  • EEG
  • neural oscillations


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