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

Drewing, K., & Ernst, M. (2006). Integration of force and position cues for shape perception through active touch. Brain Research, 1078(1), 92-100. doi:10.1016/j.brainres.2005.12.026.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-D2DD-8 Version Permalink: http://hdl.handle.net/21.11116/0000-0004-962F-F
Genre: Journal Article

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 Creators:
Drewing, K1, 2, Author              
Ernst, MO1, 2, Author              
Affiliations:
1Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497794              
2Research Group Multisensory Perception and Action, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497806              

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 Abstract: 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: 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, carrying this model over to the domain of active haptic perception.

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 Dates: 2006-02
 Publication Status: Published in print
 Pages: -
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 Table of Contents: -
 Rev. Method: -
 Identifiers: DOI: 10.1016/j.brainres.2005.12.026
BibTex Citekey: 2886
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Title: Brain Research
  Other : Brain Res.
Source Genre: Journal
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Publ. Info: Amsterdam : Elsevier
Pages: - Volume / Issue: 1078 (1) Sequence Number: - Start / End Page: 92 - 100 Identifier: ISSN: 0006-8993
CoNE: https://pure.mpg.de/cone/journals/resource/954926250616