Affective visualization in Virtual Reality: An integrative review
Andres Pinilla, Jaime Garcia, William Raffe, Jan-Niklas Voigt-Antons,, Robert Spang, Sebastian M\"oller

TL;DR
This review explores how to visualize users' affective states in Virtual Reality by integrating psychology, electrophysiology, and design, aiming to enhance biofeedback therapies for mental health.
Contribution
It synthesizes interdisciplinary research to guide the development of affect visualization methods in VR environments.
Findings
Affective states can be inferred from electrophysiological signals.
Visual and sound cues are associated with specific affective states.
Practical considerations for VR affect visualization are proposed.
Abstract
A cluster of research in Affective Computing suggests that it is possible to infer some characteristics of users' affective states by analyzing their electrophysiological activity in real-time. However, it is not clear how to use the information extracted from electrophysiological signals to create visual representations of the affective states of Virtual Reality (VR) users. Visualization of users' affective states in VR can lead to biofeedback therapies for mental health care. Understanding how to visualize affective states in VR requires an interdisciplinary approach that integrates psychology, electrophysiology, and audio-visual design. Therefore, this review aims to integrate previous studies from these fields to understand how to develop virtual environments that can automatically create visual representations of users' affective states. The manuscript addresses this challenge in…
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