Capture of emotional responses under a simulated earthquake experience using near-infrared spectroscopy and virtual reality.

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  • Additional Information
    • Source:
      Publisher: Public Library of Science Country of Publication: United States NLM ID: 101285081 Publication Model: eCollection Cited Medium: Internet ISSN: 1932-6203 (Electronic) Linking ISSN: 19326203 NLM ISO Abbreviation: PLoS One Subsets: MEDLINE
    • Publication Information:
      Original Publication: San Francisco, CA : Public Library of Science
    • Subject Terms:
      Earthquakes* ; Spectroscopy, Near-Infrared*/methods ; Emotions*/physiology ; Virtual Reality* ; Heart Rate*/physiology; Humans ; Male ; Female ; Young Adult ; Cerebrovascular Circulation/physiology ; Adult ; Prefrontal Cortex/physiology ; Arousal/physiology
    • Abstract:
      Aim: In a previous study, we reported that watching two-dimensional videos of earthquakes significantly reduced sympathetic nerve activity in healthy young adults. In the present study, we aimed to investigate the emotional responses to earthquakes using immersive virtual reality (VR), which can provide a more realistic experience.
      Methods: In total, 24 healthy young adults (12 males, 21.4 ± 0.2 years old) participated. Participants were required to watch earthquake and neutral videos while wearing a head-mounted display and near-infrared spectroscopy (NIRS), during which physiological signals, including pulse rate and cerebral blood flow (CBF) in the dorsolateral prefrontal cortex, were measured. We also analyzed changes in sympathetic and parasympathetic indices and obtained seven emotion ratings: valence, arousal, dominance, fear, astonishment, anxiety, and panic.
      Results: The VR earthquake videos evoked negative subjective emotions, and the pulse rate significantly decreased. Sympathetic nerve activity tended to decrease, whereas CBF in the left prefrontal cortex showed a slight increase, although this was not significant.
      Conclusions: This study showed that measurements combined with NIRS and immersive VR have the potential to capture emotional responses to different stimuli.
      Competing Interests: The authors have declared that no competing interests exist.
      (Copyright: © 2024 Otsuka et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.)
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    • Publication Date:
      Date Created: 20240523 Date Completed: 20240523 Latest Revision: 20240525
    • Publication Date:
      20240525
    • Accession Number:
      PMC11115202
    • Accession Number:
      10.1371/journal.pone.0304107
    • Accession Number:
      38781193