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The Perception of Ultrasonic Square Reductions of Friction with Variable Sharpness and Duration
2019
IEEE Transactions on Haptics
The human perception of square ultrasonic modulation of the finger-surface friction was investigated during active tactile exploration by using short frictional cues of varying duration and sharpness. In a first experiment, we asked participants to discriminate the transition time and duration of short square ultrasonic reductions of friction. They proved very sensitive to discriminate millisecond differences in these two parameters with the average psychophysical thresholds being 2.3-2.4 ms
doi:10.1109/toh.2019.2894412
pmid:30676978
fatcat:fprsldziwragfhwygz5bps6dxm