Haptics: Generating and Perceiving Tangible Sensations: International Conference, EuroHaptics 2010, Amsterdam, July 2010, Proceedings Part 2

By Astrid M. L. Kappers, Jan B. F. van Erp, Wouter M. Bergmann Tiest, Frans C. T. van der Helm

This publication constitutes the court cases of the convention on Haptics: producing and Perceiving Tangible Sensations, held in Amsterdam, Netherlands in July 2010.

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Notwithstanding, nearly all of the members 6 threshold (difference in grade) five four *** static three relocating ** 2 1 zero zero. 3N coarse zero. 8N coarse zero. 3N effective zero. 8N nice Fig. 2. The median and interquartile diversity of the discrimination threshold as a functionality of standard touch strength and sandpaper sort. **: p<0. 01, ***: p<0. 001 via sign-rank assessments. touch strength and period results thirteen (9 out of 12) may possibly differentiate among the sandpaper closest to the normal even in static contact. it can be the case that any development in functionality because of the presence of circulation couldn't be detected through the scan as we have been not able to acquire sandpaper among a hundred and a hundred and twenty grit. We tested the share right for differentiating a hundred grit and one hundred twenty grit sandpapers in those 9 individuals the place the brink lay among those sandpapers. The suggest percent right for the static and relocating contact have been eighty one. nine ± 1. five and ninety six. three ± 1. nine respectively. The functionality in relocating contact was once a lot better (p<0. 001, t(8)=-7. fifty five) than in static contact. three results of touch length on Texture Discrimination the former scan confirmed that the discrimination threshold was once greater in the course of static contact than in the course of relocating contact. notwithstanding, the touch length used to be additionally longer in the course of relocating contact that can have contributed to stronger functionality. the subsequent test investigated no matter if touch period impacts roughness discrimination. three. 1 tools The scan used to be performed utilizing an identical fabrics and gear as defined in part 2. 1. the duty and methods have been additionally an identical, other than that the player was once requested to reduce the finger to begin touching while the white noise all started and to raise the finger off the skin while the white noise stopped. The period of white noise was once 1 s for the fast touch period trials and three s for the lengthy touch period trials. contributors. 9 paid volunteers (3 ladies and six men, suggest age 24 ± four) have been recruited from the undergraduate and postgraduate inhabitants. They have been all naive to the aim of the test. None had any historical past of hand or wrist damage or illness. They have been all right-handed. scan layout. there have been 8 blocks for every player with a 2 x 2 x 2 layout (texture x touch length x movement). The series of the blocks used to be randomized throughout all contributors. three. 2 effects suggest touch periods have been 1. 372 (±. 062) s and three. 422 (±. 052) s for the quick and lengthy length stipulations respectively. Two-way ANOVA confirmed no major results of texture and flow on touch period in both case. Three-way ANOVA indicated no major results of texture, flow or touch period at the suggest touch strength. The discrimination thresholds are proven in determine three. The roughness discrimination threshold used to be considerably better in static contact in comparison to relocating contact with (p=0. 01; Χ2 (1,9) = 6. seventy four) and (p=0. 01, Χ2 (1,9)=18. ninety six) respectively utilizing Friedman checks on information from coarse and fantastic texture trials. touch length didn't have any major impact on roughness discrimination with (p=0.

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