Integration of force and position cues for shape perception through active touch

Drewing K, Ernst MO (2006)
Brain Research 1078(1): 92-100.

Journal Article | Published | English

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This article systematically explores cue integration within active touch. Our research builds upon a recently made distinction between position and force cues for haptic shape perception [Robles -de -la -Torre, G., Hayward, V., 2001. Force can overcome object geometry in the perception of shape through active touch, Nature 412, 445-448]: when sliding a finger across a bumpy surface, the finger follows the surface geometry (position cue). At the same time, the finger is exposed to forces related to the slope of the surface (force cue). Experiment 1 independently varied force and position cues to the curvature of 3D arches. Perceived curvature could be well described as a weighted average of the two cues. Experiment 2 found more weight of the position cue for more convex high arches and higher weight of the force cue for less convex shallow arches-probably mediated through a change in relative cue reliability. Both findings are in good agreement with the maximum -likelihood estimation (MLE) model for cue integration and, thus, carry this model over to the domain of active haptic perception. (c) 2005 Elsevier B.V. All rights reserved.
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Drewing K, Ernst MO. Integration of force and position cues for shape perception through active touch. Brain Research. 2006;1078(1):92-100.
Drewing, K., & Ernst, M. O. (2006). Integration of force and position cues for shape perception through active touch. Brain Research, 1078(1), 92-100.
Drewing, K., and Ernst, M. O. (2006). Integration of force and position cues for shape perception through active touch. Brain Research 1078, 92-100.
Drewing, K., & Ernst, M.O., 2006. Integration of force and position cues for shape perception through active touch. Brain Research, 1078(1), p 92-100.
K. Drewing and M.O. Ernst, “Integration of force and position cues for shape perception through active touch”, Brain Research, vol. 1078, 2006, pp. 92-100.
Drewing, K., Ernst, M.O.: Integration of force and position cues for shape perception through active touch. Brain Research. 1078, 92-100 (2006).
Drewing, K, and Ernst, Marc O. “Integration of force and position cues for shape perception through active touch”. Brain Research 1078.1 (2006): 92-100.
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