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

Hofmann, S., Klotzsche, F., Mariola, A., Nikulin, V. V., Villringer, A., & Gaebler, M. (2020). Decoding subjective emotional arousal from EEG during an immersive Virtual Reality experience. bioRxiv. doi:10.1101/2020.10.24.353722.

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 Creators:
Hofmann, Simon1, Author              
Klotzsche, Felix1, 2, Author              
Mariola, Alberto1, 3, 4, Author
Nikulin, Vadim V.1, Author              
Villringer, Arno1, 2, Author              
Gaebler, Michael1, 2, Author              
Affiliations:
1Department Neurology, MPI for Human Cognitive and Brain Sciences, Max Planck Society, Leipzig, DE, ou_634549              
2MindBrainBody Institute, Berlin School of Mind and Brain, Humboldt University Berlin, Germany, ou_persistent22              
3Sussex Neuroscience, University of Sussex, Brighton, United Kingdom, ou_persistent22              
4Sackler Centre for Consciousness Science, University of Sussex, Brighton, United Kingdom, ou_persistent22              

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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 StatementThe authors have declared no competing interest.

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Language(s): eng - English
 Dates: 2020-11-10
 Publication Status: Published online
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 Identifiers: DOI: 10.1101/2020.10.24.353722
BibTex Citekey: Hofmann2020.10.24.353722
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Title: bioRxiv
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