Multi-modality Sensory Feedback: a pilot study

The aim of this study is to test the hypotheses that a multi-modality sensory feedback device, incorporating mechanotactile and vibrotactile feedback can increase the subjects’ performance in localization and intensity discrimination.To the best of our knowledge, this is the first attempt combining mechanotactile and vibrotactile into a single sebsory feedback device. For persons without maps of referred sensation, the localization of the stimulation has to be memorized and predicted from previous stimulation. The outcome of this study shows that the hybrid stimulation relieves the mental load, but in future work activating both modalities simultaneously could increase haptic vocabulary. Hybrid stimulation also improves the performance for subjects with maps of referred sensation,.

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