Simon Geirnaert
Simon Geirnaert
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3
Multiscale Gaussian-Mixture Modeling for HMM Post-Processing in Selective Auditory Attention Decoding
In this preprint, we propose a multiscale Gaussian mixture model that jointly estimates HMM emission parameters across multiple window lengths, improving HMM-based post-processing for selective auditory attention decoding.
Tianyi Li
,
Simon Geirnaert
,
Bert De Smedt
,
Alexander Bertrand
September, 2026
preprint
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DOI
Why Performance Metrics Overpromise in Auditory Attention Decoding: an Information-Theoretic Reappraisal
In this preprint, we show that ignoring temporal dependence can substantially overestimate the performance of auditory attention decoding algorithms. We propose several measures to address these issues, including rIMI, a metric that quantifies the rate of new information gained.
Nicolas Heintz
,
Simon Geirnaert
,
Tom Francart
,
Alexander Bertrand
August, 2026
preprint
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DOI
Modeling and Interpreting Correlations, Null Distributions and Significance Levels in Neural Tracking of Natural Stimuli
In this preprint, we present a comprehensive framework for modeling and interpreting correlations, null distributions, and significance levels that are routinely use in neural tracking of natural stimuli.
Simon Geirnaert
,
Alexander Bertrand
,
Tom Francart
,
Jonas Vanthornhout
August, 2026
preprint
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DOI
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Selective Auditory Attention Decoding with a Two-Node Wireless EEG Sensor Network
In this preprint, we present a proof of concept of a wireless EEG sensor network using two around-ear EEG nodes for selective auditory attention decoding.
Simon Geirnaert
,
Ruochen Ding
,
Alexander Bertrand
June, 2026
preprint
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DOI
When feedback backfires: investigating neurofeedback effects in a closed-loop auditory attention decoding paradigm
In this preprint, we show that real-time auditory neurofeedback in a closed-loop selective auditory attention decoding paradigm can degrade decoding accuracy and user experience, rather than improve it, within a single session.
Iustina Rotaru
,
Simon Geirnaert
,
Nicolas Heintz
,
Alexander Bertrand
,
Tom Francart
April, 2026
preprint
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Dataset
DOI
Tracking individual auditory attention during learning via EEG-based neural envelope tracking
In this preprint, we present analysis of an educationally relevant paradigm to track attention to the teacher from EEG.
Davina Van den Broek
,
Elien Bellon
,
Tianyi Li
,
Simon Geirnaert
,
Alexander Bertrand
,
Bert De Smedt
January, 2026
preprint
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DOI
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