Combining Tendon Vibration and Visual Stimulation Enhances Kinesthetic Illusions

Hagimori, Daiki; Isoyama, Naoya; Yoshimoto, Shunsuke; Sakata, Nobuchika; Kiyokawa, Kiyoshi

doi:10.1109/cw.2019.00029

Cited by 6 publications

(4 citation statements)

References 12 publications

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“…Due to the nature of the kinesthetic illusion, which can only present the sensation of motion without any physical movement, it has been applied to VR as a method to solve problems caused by physical movement. The most typical of these is the work of Hagimori et al [2]. They applied tendon vibrations to the forearm while experiencing a VR environment through an HMD to induce a perception of motion that is approximately 20 degrees greater than the actual elbow angle.…”

Section: B Application Of Kinesthetic Illusion In Engineeringmentioning

confidence: 99%

“…Attempts have been made to exploit this phenomenon to solve problems in VR. For example, Hagimori et al [2] proposed a method to create the perception of greater motion in VR than in reality by combining tendon vibration with visual stimulation using a head-mounted display (HMD). Leonardis VOLUME 11, 2023 et al [3] proposed a chair-like device that combines tendon vibration stimuli and a motion platform to create the sensation of walking in a virtual space.…”

Section: Introductionmentioning

confidence: 99%

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Measurement of the Transfer Function of Kinesthetic Illusion Induced by Antagonistic Tendon Vibration

Tanaka,

Kajimoto

2023

IEEE Access

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The kinesthetic illusion induced by tendon vibration has the potential to be applied to virtual reality because it can provide the sensation of motion without the need to actually move the body. The psychophysical and neurophysiological properties of this phenomenon have been studied for a long time, and more recently, research has been conducted to realize the presentation of complex motion. However, there is still a lack of knowledge that quantitatively relates time-varying vibratory stimuli to the resulting kinesthesia. In response to this situation, we experimentally quantify the relationship between the time-varying frequency of the vibratory stimuli and the perceived joint angle, as a transfer function which is directly applicable to the presentation of kinesthetic illusions. To minimize temporal error, we presented vibration stimuli to one arm and a physical motion to the other arm, and asked participants to adjust the amplitude and phase of the physical motion so that the sensations of the two stimuli matched. The transfer function obtained from the experiment was nearly constant between the presented reciprocating frequencies of 0.05 Hz and 0.30 Hz, with a flat amplitude response and a phase advance of approximately 180 degrees. This transfer function represents motion in the opposite direction to that expected from existing knowledge. Possible reasons for this could be the induction of motion in the opposite direction by the tonic vibration reflex, misunderstanding by the participants, or the generation of an illusory force sensation due to the activation of the Golgi tendon organs.

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Section: B Application Of Kinesthetic Illusion In Engineeringmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Measurement of the Transfer Function of Kinesthetic Illusion Induced by Antagonistic Tendon Vibration

Tanaka,

Kajimoto

2023

IEEE Access

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“…Several attempts have been made to improve the operability of an arm in VR space [25] or a robotic prosthetic hand [26] when operating a BCI. In addition, several augmented reality applications have attempted to modulate real body motion [27]. Furthermore, Roll et al showed the possibility of presenting kinematic sensations in arbitrary two or three dimensions [28].…”

Section: Stimulation Of Tendons and Their Effects 221 Tendon Stimulation Focusing On Muscle Spindles And Observation Of Reflexes And Motomentioning

confidence: 99%

Force Sensation Induced by Electrical Stimulation of the Tendon of Biceps Muscle

Takahashi

Kajimoto

2021

Applied Sciences

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Many wearable interfaces have been proposed to present force to the upper limb and elbow joint. One way to achieve a compact wearable haptic interface is to use electrical stimulation, and we have suggested that transcutaneous electrical stimulation above the wrist tendon can produce force a sensation in the direction of the muscle stretching; however, it has not been investigated in detail whether the force sensation presented by the electrical stimulation of the tendon occurs in the upper limb joints. In this study, to investigate whether the force sensation is generated when applying electrical stimulation of the skin at the tendon or at the muscle belly of the biceps brachii muscle, we quantitatively evaluated the direction and amount of the force sensation under the aforementioned conditions. The results showed that the electrical stimulation of the tendon produced significant force sensation in the direction of elbow extension. On the other hand, in some participants, the electrical stimulation of the muscle belly worked as a supporting force, resulting in the sensation of weakened force perception. In general, we concluded that the sensation produced by muscle stimulation was different from that produced by stimulation of the tendon.

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“…This phenomenon has also been applied to VR and human-computer interaction. For example, Hagimori et al [7] combined tendon vibration with a visual stimulus using a head-mounted display (HMD) to make small physical movements perceived as large movements in VR. Barsotti et al [3] proposed a system that combined kinesthetic feedback using tendon vibration with a BCI based on motor imagery.…”

Section: Related Workmentioning

confidence: 99%

Movement-Free Virtual Reality Interface Using Kinesthetic Illusion Induced by Tendon Vibration

Tanaka

Ushiyama

Takahashi

et al. 2020

Haptics: Science, Technology, Applications

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In current virtual reality (VR) systems, the physical movement of the body is required, which creates problems of safety, cost, and accessibility. To solve those problems, we propose a system that fixes a user's body, detects force when a user tries to move, and generates the sensation of movement using kinesthetic illusion caused by tendon vibration. We implemented a system limited to simple motion, and conducted an experiment to evaluate operability, body ownership, and agency. Although we could not statistically verify the effect of kinesthetic illusion, the results suggested that it may be possible that kinesthetic illusion could increase ownership and decrease agency.

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Combining Tendon Vibration and Visual Stimulation Enhances Kinesthetic Illusions

Cited by 6 publications

References 12 publications

Measurement of the Transfer Function of Kinesthetic Illusion Induced by Antagonistic Tendon Vibration

Measurement of the Transfer Function of Kinesthetic Illusion Induced by Antagonistic Tendon Vibration

Force Sensation Induced by Electrical Stimulation of the Tendon of Biceps Muscle

Movement-Free Virtual Reality Interface Using Kinesthetic Illusion Induced by Tendon Vibration

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