ICAT-EGVE2025

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https://diglib.eg.org/handle/10.2312/3607269

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Browsing ICAT-EGVE2025 by Subject "Applied computing → Health informatics"

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    Evaluating the Effect of Multimodal Scenario Cues in an LLM-Supported Auditory VR Design System for Exposure Therapy
    (The Eurographics Association, 2025) Yamauchi, Yuta; Tsuji, Yuta; Ino, Keiko; Sakaguchi, Masanori; Zempo, Keiichi; Jorge, Joaquim A.; Sakata, Nobuchika
    Post-Traumatic Stress Disorder (PTSD) is a prevalent disorder triggered by life-threatening trauma, and exposure therapy, which involves confronting traumatic stimuli, has been proven to be highly effective for treating PTSD. Some methods have been proposed that present patients' traumatic situations using spatial sound (Auditory VR) to provide a sense of realism during therapy (Auditory VR Exposure Therapy). However, the Auditory VR used in therapy need to be tailored for each patient, and conventionally they have been manually produced by third parties, resulting in long delays before Auditory VR exposure therapy can begin. In the previous work, they developed a system that enables the creation of auditory stimuli through text-only interaction, allowing clinicians and patients to generate sounds without the involvement of third parties. However, creating Auditory VR solely through natural language interaction proved challenging, leading to issues in usability and sound quality. In this study, while maintaining the basic approach of text-based Auditory VR generation, we developed a system that enables multimodal interaction by combining text with auditory presentation of scenarios and visual presentation of spatial designs. An evaluation experiment with participants with backgrounds in medicine or healthcare demonstrated that, compared to the previous system, the system improved usability and, based on subjective evaluations, achieved significantly higher overall sound quality ratings.