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Decoding subjective emotional arousal from EEG during an immersive Virtual Reality experience

View ORCID ProfileSimon M. Hofmann, View ORCID ProfileFelix Klotzsche, Alberto Mariola, View ORCID ProfileVadim V. Nikulin, View ORCID ProfileArno Villringer, View ORCID ProfileMichael Gaebler
doi: https://doi.org/10.1101/2020.10.24.353722
Simon M. Hofmann
1Department of Neurology, Max Planck Institute for Human Cognitive and Brain Sciences, Leipzig, Germany
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  • For correspondence: simon.hofmann@cbs.mpg.de klotzsche@cbs.mpg.de a.mariola@sussex.ac.uk gaebler@cbs.mpg.de
Felix Klotzsche
1Department of Neurology, Max Planck Institute for Human Cognitive and Brain Sciences, Leipzig, Germany
4Humboldt-Universität zu Berlin, Faculty of Philosophy, Berlin School of Mind and Brain, MindBrainBody Institute
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  • For correspondence: simon.hofmann@cbs.mpg.de klotzsche@cbs.mpg.de a.mariola@sussex.ac.uk gaebler@cbs.mpg.de
Alberto Mariola
2Sussex Neuroscience, School of Life Sciences, University of Sussex, Brighton, UK
3Sackler Centre for Consciousness Science, School of Engineering and Informatics, University of Sussex, Brighton, UK
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  • For correspondence: simon.hofmann@cbs.mpg.de klotzsche@cbs.mpg.de a.mariola@sussex.ac.uk gaebler@cbs.mpg.de
Vadim V. Nikulin
1Department of Neurology, Max Planck Institute for Human Cognitive and Brain Sciences, Leipzig, Germany
4Humboldt-Universität zu Berlin, Faculty of Philosophy, Berlin School of Mind and Brain, MindBrainBody Institute
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Arno Villringer
1Department of Neurology, Max Planck Institute for Human Cognitive and Brain Sciences, Leipzig, Germany
4Humboldt-Universität zu Berlin, Faculty of Philosophy, Berlin School of Mind and Brain, MindBrainBody Institute
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Michael Gaebler
1Department of Neurology, Max Planck Institute for Human Cognitive and Brain Sciences, Leipzig, Germany
4Humboldt-Universität zu Berlin, Faculty of Philosophy, Berlin School of Mind and Brain, MindBrainBody Institute
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  • For correspondence: simon.hofmann@cbs.mpg.de klotzsche@cbs.mpg.de a.mariola@sussex.ac.uk gaebler@cbs.mpg.de
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Abstract

Immersive virtual reality (VR) enables naturalistic neuroscientific studies while maintaining experimental control, but dynamic and interactive stimuli pose methodological challenges. We here probed the link between emotional arousal, a fundamental property of affective experience, and parieto-occipital alpha power under naturalistic stimulation: 37 young healthy adults completed an immersive VR experience, which included rollercoaster rides, while their EEG was recorded. They then continuously rated their subjective emotional arousal while viewing a replay of their experience. The association between emotional arousal and parieto-occipital alpha power was tested and confirmed by (1) decomposing the continuous EEG signal while maximizing the comodulation between alpha power and arousal ratings and by (2) decoding periods of high and low arousal with discriminative common spatial patterns and a Long Short-Term Memory recurrent neural network.

We successfully combine EEG and a naturalistic immersive VR experience to extend previous findings on the neurophysiology of emotional arousal towards real-world neuroscience.

Competing Interest Statement

The authors have declared no competing interest.

Footnotes

  • ↵* shared authorship, alphabetical order

  • The revision is based on the valuable reviews given to the previous version of the manuscript. Briefly, we changed following points: restructuring the order of sections; added supplementary analyses to test for the potential role of autocorrelation, and visually differences in phases of VR stimulus on the decoding performance; compare former decoding models to less complex linear model; updated all section accordingly; add additional citations; refined introduction, methods section and acknowledgments;

  • https://github.com/SHEscher/NeVRo

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The copyright holder for this preprint is the author/funder, who has granted bioRxiv a license to display the preprint in perpetuity. It is made available under a CC-BY-NC 4.0 International license.
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Posted September 22, 2021.
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Decoding subjective emotional arousal from EEG during an immersive Virtual Reality experience
Simon M. Hofmann, Felix Klotzsche, Alberto Mariola, Vadim V. Nikulin, Arno Villringer, Michael Gaebler
bioRxiv 2020.10.24.353722; doi: https://doi.org/10.1101/2020.10.24.353722
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Decoding subjective emotional arousal from EEG during an immersive Virtual Reality experience
Simon M. Hofmann, Felix Klotzsche, Alberto Mariola, Vadim V. Nikulin, Arno Villringer, Michael Gaebler
bioRxiv 2020.10.24.353722; doi: https://doi.org/10.1101/2020.10.24.353722

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