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Taking an embodied avatar’s perspective modulates the temporal dynamics of vicarious pain and pleasure: a virtual reality and EEG study
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Taking an embodied avatar’s perspective modulates the temporal dynamics of vicarious pain and pleasure: a virtual reality and EEG study
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Journal Article
Taking an embodied avatar’s perspective modulates the temporal dynamics of vicarious pain and pleasure: a virtual reality and EEG study
2025
Overview
Abstract
Observing negative and positive valence virtual stimuli can influence the onlookers’ subjective and brain reactivity. However, the relationship between vicarious experiences, observer’s perspective-taking, and cerebral activity remains underexplored. To address this gap, we asked 24 healthy participants to passively observe pleasant, painful, and neutral stimuli delivered to a virtual hand seen from a first-person (1PP) or third-person perspective (3PP) while undergoing time and time–frequency EEG recording. Participants reported a stronger sense of ownership over the virtual hand seen from a 1PP, rated pain and touch valence appropriately, and more intense than the neutral ones. Distinct EEG patterns emerged across early (N2, early posterior negativity, EPN), late (late positive potential, LPP) event-related potentials, and EEG power. The N2 and EPN components showed greater amplitudes for pain and pleasure than neutral stimuli, particularly in 1PP. The LPP component exhibited lower amplitudes for pleasure than pain and neutral stimuli. Furthermore, theta-band power increased, and alpha power decreased for pain and pleasure stimuli viewed from a 1PP vs. 3PP perspective. In the ultra-late time window, we observed decreased theta, alpha, and beta-band power specifically associated with pleasure stimuli. Our study provides novel evidence that perspective-taking modulates the temporal dynamics of vicarious pain and pleasure.
Publisher
Oxford University Press
Subject
