Publications by authors named "Kouta Minamizawa"

Cybernetic avatars integrate physical and virtual avatars to enhance human capabilities in diverse scales and contexts.

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Article Synopsis
  • Haptic Augmented Reality (HAR) is a technology that makes you feel different textures and qualities of physical objects by adding extra touch sensations.
  • The researchers created a special soft gadget that gives you a feeling of stickiness even after you lift your finger off the object.
  • They did two experiments showing that this new gadget can really make things feel stickier and that timing plays a big role in how real it feels, which could help in cool new tech like Virtual Reality and Mixed Reality!
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Illusory ownership can be induced in a virtual body by visuo-motor synchrony. Our aim was to test the possibility of a re-association of the right thumb with a virtual left arm and express the illusory body ownership of the re-associated arm through a synchronous or asynchronous movement of the body parts through action and vision. Participants felt that their right thumb was the virtual left arm more strongly in the synchronous condition than in the asynchronous one, and the feeling of ownership of the virtual arm was also stronger in the synchronous condition.

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Researchers have studied the discrimination thresholds between different vibrotactile signals under various conditions. Humans cannot recognize slight differences in vibrotactile stimuli that are smaller than the perception threshold. This is a constraint in the vibrotactile design used in practical applications.

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Body ownership can be modulated through illusory visual-tactile integration or visual-motor synchronicity/contingency. Recently, it has been reported that illusory ownership of an invisible body can be induced by illusory visual-tactile integration from a first-person view. We aimed to test whether a similar illusory ownership of the invisible body could be induced by the active method of visual-motor synchronicity and if the illusory invisible body could be experienced in front of and facing away from the observer.

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