Author

A. Ossadtchi

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Open access Sep 2026

Tracking propagating cortical activity in MEG/EEG with a bilinear state-space model

Magnetoencephalography (MEG) and electroencephalography (EEG) are ideal for studying macroscopic neural dynamics, but non-invasive tracking of cortical traveling waves remains a major methodological challenge. Traditional inverse solutions assume spatiotemporal separability, restricting sources to fixed spatial to-pogr...

Anna Kubiak, N. Fedosov, A. Ossadtchi · bioRxiv · 0 citations

Preprint Aug 2026

Interpretable MEG Decoding of Perceived Speech: Cortical Sources and the Stimulus Features That Drive Retrieval

Paired MEG occlusion shows that 15 of 19 stimulus features contribute, with the largest effects for silence, sound intensity, vowels, and acoustic onsets, indicating that activity without narrative structure carries less recoverable information than activity during coherent speech.

Ilia Semenkov, Daria Kleeva, I. Dakhtin et al. · 0 citations