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Total VREcall: Using Biosignals to Recognize Emotional Autobiographical Memory in Virtual Reality

Published: 07 July 2022 Publication History

Abstract

Our memories and past experiences contribute to guiding our perception and action of future affective experiences. Virtual Reality (VR) experiences are more vividly memorized and recalled than non-VR ones, but there is little research on how to detect this recall in VR. We investigate the feasibility of recognizing autobiographical memory (AM) recall in VR using physiological cues: skin conductance, heart-rate variability, eye gaze, and pupillary response. We devised a methodology replicating an existing AM Test in VR. We conducted a user study with 20 participants recalling AM using three valence categories cue words: positive, negative, and neutral. We found a significant effect of AM recalls on EDA peak, and eye blink rate, with a generalized recognition accuracy of 77.1% and person dependent accuracy of up to 95.1%. This shows a promising approach for detecting AM recall in VR and we discuss the implications for VR experience design.

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      cover image Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies
      Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies  Volume 6, Issue 2
      June 2022
      1551 pages
      EISSN:2474-9567
      DOI:10.1145/3547347
      Issue’s Table of Contents
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      Published: 07 July 2022
      Published in IMWUT Volume 6, Issue 2

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      Author Tags

      1. Autobiographical Memory
      2. Biosignals
      3. Electrodermal Activity
      4. Emotion
      5. Eye-tracking
      6. Memory
      7. Physiological Signals
      8. Virtual Reality

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