Decoding subjective emotional arousal from eeg during an immersive virtual reality experience

Hofmann, Simon M, Klotzsche, Felix, Mariola, Alberto, Nikulin, Vadim, Villringer, Arno and Gaebler, Michael (2021) Decoding subjective emotional arousal from eeg during an immersive virtual reality experience. eLife, 10. a64812 1-34. ISSN 2050-084X

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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.

Item Type: Article
Keywords: affective computing, computational affective neuroscience, deep learning, ecological validity, human, machine learning, naturalistic stimuli, neuroscience, Adult, Arousal, Electroencephalography, Emotions, Female, Humans, Male, Virtual Reality, Young Adult
Schools and Departments: School of Psychology > Psychology
SWORD Depositor: Mx Elements Account
Depositing User: Mx Elements Account
Date Deposited: 13 May 2022 16:42
Last Modified: 13 May 2022 16:45

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