2024
DOI: 10.1101/2024.02.22.581475
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Estimating Directed Connectivity with OPM-MEG: A Feasibility Study

Mangor Pedersen,
Geet Vashista,
Dion Henare
et al.

Abstract: We investigated the feasibility of using directed connectivity analysis for magnetoencephalography data recorded via Optically Pumped Magnetometers (OPM-MEG). Ten healthy adult participants were scanned twice in an OPM-MEG system, and Beamformer source localisation was employed to obtain source time series within 62 cortical brain regions. Multivariate transfer entropy (mTE) was used to quantify directed connectivity, with lags ranging from 1 to 10 time points. Our findings showed that out-degree connectivity … Show more

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