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This is a Quantitative Study study.

September 12, 2025Open Access

Cortical-layer EEG-fMRI at 7T: experimental setup and analysis pipeline to elucidate generating mechanisms of alpha oscillations

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A significant negative correlation was observed between EEG alpha power and the BOLD signal in visual cortex grey matter.
Data acquired from 10 participants show strong results, with 9/10 exhibiting sufficient EEG and BOLD data quality.
Employing a deveining method revealed important changes in alpha-BOLD correlations across cortical depths.
Establishing a non-invasive approach to study generating mechanisms of electrophysiological signals is pivotal for future research.

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Implication

Experimental setup reveals significant negative correlation between EEG alpha and BOLD signal in visual cortex, suggesting new insights into human alpha mechanisms.

Cite This Study

Marsh et al. (2025) studied this question.

synapsesocial.com/papers/68d44b3f31b076d99fa55174 https://doi.org/10.1101/2025.09.09.674189

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Implication

Experimental setup reveals significant negative correlation between EEG alpha and BOLD signal in visual cortex, suggesting new insights into human alpha mechanisms.

Cortical-layer EEG-fMRI at 7T: experimental setup and analysis pipeline to elucidate generating mechanisms of alpha oscillations

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Discussion

Implication

Cite This Study

Cortical-layer EEG-fMRI at 7T: experimental setup and analysis pipeline to elucidate generating mechanisms of alpha oscillations

Key Points

Discussion

Implication

Cite This Study

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