Related Experiment Video
Updated: Jun 26, 2026
06:53
Creating Virtual-hand and Virtual-face Illusions to Investigate Self-representation
Published on: March 1, 2017
13.7K
Pseudo-Dribbling Experience Using Single Overlapped Vibrotactile Stimulation Simultaneously to the Hand and the Feet.
Takumi Kuhara1, Kakagu Komazaki2, Junji Watanabe2
112982Nagoya Institute of Technology, Nagoya, Japan.
Multisensory Research
|October 30, 2025
Summary
Single overlapped vibrotactile stimulation (SOVS) creates simple haptic interfaces. Different input amplitudes are key for the dribbling illusion, with perceived realism varying between hand and feet.
Area of Science:
- Haptic Interface Design
- Human-Computer Interaction
- Sensory Perception
Background:
- Simplicity in haptic interface design is vital to prevent complexity and weight issues.
- Multimodal information, haptic illusions, and contextual cues enhance interface simplicity.
- Single overlapped vibrotactile stimulation (SOVS) offers a method for spatiotemporal tactile perception using simultaneous, overlapped waveforms.
Purpose of the Study:
- To investigate the critical factors influencing the perception of SOVS.
- To understand the role of vibrotactile stimuli combinations in creating haptic illusions.
- To optimize SOVS for simpler, more immersive haptic experiences.
Main Methods:
- Experiment 1: Measured the occurrence rate of a dribbling sensation with various stimulus amplitude combinations.
- Experiment 2: Assessed the perceived realism of stimuli presented to the hand and feet separately.
- Utilized vibrotactile stimuli applied to multiple body parts (hand and feet).
Main Results:
- The combination of two distinct input amplitudes significantly influences the occurrence rate of the dribbling sensation.
- Perceived realism for the hand correlates directly with input amplitude strength.
- The second-strongest input amplitude was perceived as most realistic for the feet.
Conclusions:
- Distinct input amplitudes are crucial for the SOVS dribbling illusion.
- Perceptual differences between body parts (hand vs. feet) affect stimulus realism.
- Combinations with duplicate amplitudes or low perceived realism reduce the effectiveness of SOVS.
Related Concept Videos
01:20Motor Unit Stimulation
When the neuron of a motor unit fires an action potential, it triggers a series of events, leading to a twitch contraction in the muscle fibers. The process of excitation-contraction coupling is crucial in relaying the action potential to the muscle fibers.
The latent period of contraction marks the onset of excitation-contraction coupling, when the action potential propagates across the sarcolemma, preparing the muscle fibers for contraction. As the fibers enter the contraction phase, the...
The latent period of contraction marks the onset of excitation-contraction coupling, when the action potential propagates across the sarcolemma, preparing the muscle fibers for contraction. As the fibers enter the contraction phase, the...
01:22Muscle Stimulation Frequency
The contraction strength of muscles is regulated by motor neurons, which modulate the frequency of action potentials dispatched to the motor units based on the body's requirements. This process of varying the muscle stimulation frequency allows muscles to contract with a force that is precisely tailored to the needs of the moment, whether lifting a feather or a heavy box.
Wave summation
At low firing rates, motor neurons induce individual twitch contractions in muscle fibers. These twitches...
Wave summation
At low firing rates, motor neurons induce individual twitch contractions in muscle fibers. These twitches...
01:19Vibrating Concrete
Mechanical vibrators are instrumental in compacting newly poured concrete within formwork and around reinforcements. This process is essential to eliminate trapped air pockets and establish a dense concrete mass. One widely used method is vibrating by internal vibrators, often referred to as a poker vibrator or immersion vibrator. It is rapidly inserted through the full depth of the freshly laid concrete and slightly extends into the layer below it (which remains in a plastic state). Consistent...