The effect of incongruent delay on guided haptic training

Ferrari, Simon; Hu, Yining

doi:10.1109/whc.2011.5945479

Cited by 3 publications

(2 citation statements)

References 8 publications

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“…However, any latency in the visual or haptic feedback provided to the user could negatively affect the performance. Previous work in this area has shown that incongruent visual and haptic feedback affects the perceived stiffness of an object during a unilateral task [9][10][11][12]. These studies found that an object's perceived stiffness decreased as haptic feedback was delayed.…”

Section: Introductionmentioning

confidence: 99%

The effects of incongruent feedback on bimanual task performance

Cooper

Wernke

Reed

2012

2012 IEEE Haptics Symposium (HAPTICS)

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Previous studies analyzing the effects of incongruent visual and haptic feedback have found differences in the perceived stiffness of an object depending on what modality was delayed. These studies required only unilateral performance of the individual and did not measure functional task completion. Our study evaluated the effects of incongruent visual and haptic feedback during a bimanual pick and place task within a virtual environment using two Phantom Omnis. Subjects were asked to place three different colored spheres into matching colored baskets under various testing conditions. The testing conditions included various temporal delays in either the haptic feedback, visual feedback or both feedback modalities simultaneously. The amount of time required to complete the task as well as the number of spheres broken were recorded for each trial. The results show that delays in either or both of the feedback modalities had a negative effect on the subject's ability to complete the task. The most detrimental effects on task performance were observed when both feedback modalities were simultaneously delayed 133 ms for both the completion time and number of broken spheres.

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Section: Introductionmentioning

confidence: 99%

The effects of incongruent feedback on bimanual task performance

Cooper

Wernke

Reed

2012

2012 IEEE Haptics Symposium (HAPTICS)

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“…What is matter in designing of interactions between humans and machines that use multi-modal sensory inputs is the simultaneity of information presented through different sensory signals [1,2] . People tend to judge more two different-modal stimuli as simultaneous when one stimulus is presented several milliseconds before the other stimulus than when the stimuli are presented simultaneously.…”

Section: Introductionmentioning

confidence: 99%

Toward a subjective synchronous communication in multimodal human-machine interaction: Intention of movement alternates simultaneous perception in auditory-tactile temporal order judgment

Nishi

Yokoyama

Ogata

et al. 2012

2012 International Symposium on Micro-NanoMechatronics and Human Science (MHS)

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We investigated the effect of voluntary movement on temporal multimodal integration using a psychological experiment. The present study used auditory-tactile Temporal Order Judgment (TOJ) task to measure the differences in Point of Subjective Simultaneity (PSS) and Just Noticeable Difference (JND). To distinguish the effect of voluntary movement and proprioceptive feedback, we prepared three conditions: Voluntary condition, Involuntary condition, and No-movement condition. Voluntary movement and Involuntary movement shifted PSS to the point where an auditory stimulus presented prior to a tactile stimulus compared to No-movement condition. Furthermore, the shift of PSS in Voluntary condition was larger than that in Involuntary condition. JND of Voluntary condition was smaller than those of the other two conditions. These results revealed that voluntary movement improved temporal resolution between auditory and tactile stimuli.Moreover, it was demonstrated that voluntary movement also alternates audio-tactile temporal integration.

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