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Related Experiment Video

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Virtual Embodiment Using 180° Stereoscopic Video.

Daniel H Landau1,2, Béatrice S Hasler1, Doron Friedman1

  • 1Sammy Ofer School of Communications, Interdisciplinary Center Herzliya, Herzliya, Israel.

Frontiers in Psychology
|August 1, 2020
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Summary
This summary is machine-generated.

Researchers developed a new virtual reality (VR) method for body ownership illusions using video, touch, and narration. This technique effectively alters cognition, such as time perception, based on the virtual body

Keywords:
180° videobody ownership illusioncognitionself-transformationtime perceptionvirtual embodimentvirtual reality

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Area of Science:

  • Virtual Reality (VR) and Human-Computer Interaction
  • Psychology and Cognitive Science
  • Neuroscience and Embodiment Studies

Background:

  • Virtual reality enables the illusion of owning a virtual body, facilitating studies on psychological and neural correlates.
  • Current methods rely on computer-generated imagery (CGI) and real-time tracking, which can be technically complex.
  • Exploring alternative, less complex methods for inducing virtual body ownership is crucial for broader accessibility.

Purpose of the Study:

  • To introduce and evaluate a novel technique for inducing virtual body ownership using photorealistic video, touch, and narration.
  • To compare the effectiveness of this new method with existing CGI-based techniques.
  • To investigate the psychological effects of embodying different virtual bodies, specifically focusing on age-related cognitive alterations.

Main Methods:

  • Development of a novel VR technique utilizing 180° stereoscopic video, synchronous touch, and narration.
  • Implementation of the technique within a science-art project allowing embodiment in virtual bodies of varying ages (child vs. adult).
  • Experimental evaluation comparing body ownership perception and cognitive responses (time estimation) between different virtual embodiment conditions.

Main Results:

  • Participants reported a strong sense of ownership over the photorealistic virtual body, regardless of its apparent age (child vs. adult).
  • Embodiment in a virtual child body led young adults to significantly overestimate the duration of the VR experience compared to embodying an adult body.
  • The novel technique demonstrated comparable psychological effects to CGI-based methods, despite reduced technical complexity.

Conclusions:

  • The proposed video-based technique offers a viable and cost-effective alternative for creating compelling virtual body ownership illusions.
  • Virtual embodiment using this method can significantly influence cognitive processes, such as time perception, in ways consistent with the virtual body's characteristics.
  • This approach holds promise for advancing research in embodiment, psychology, and VR applications by simplifying the creation of immersive experiences.