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Subject-Specific Distortions in Haptic Perception of Force Direction

  • Femke E. van Beek
  • Wouter M. Bergmann Tiest
  • Frank L. Gabrielse
  • Bart W. J. Lagerberg
  • Thomas K. Verhoogt
  • Bart G. A. Wolfs
  • Astrid M. L. Kappers
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 8618)

Abstract

In a previous study, we found that the accuracy of human haptic perception of force direction is not very high. We also found an effect of physical force direction on the error subjects made, resulting in ‘error patterns’. In the current study, we assessed the between- and within-subject variation of these patterns. The within-subject variation was assessed by measuring the error patterns repeatedly over time for the same set of subjects. Many of these patterns were correlated, which indicates that they are fairly stable over time and thus subject-specific. The between-subject analysis, conversely, yielded hardly any significant correlations. We also measured general subject parameters that might explain this between-subject variation, but these parameters did not correlate with the error patterns. Concluding, we found that the error patterns of haptic perception of force direction are subject-specific and probably governed by an internal subject parameter that we did not yet discover.

Keywords

Force Perception Psychophysics Haptics Direction 

Notes

Acknowledgments

This research is supported by the Dutch Technology Foundation STW, which is part of the Netherlands Organisation for Scientific Research (NWO) and partly funded by the Ministry of Economic Affairs, Agriculture and Innovation.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2014

Authors and Affiliations

  • Femke E. van Beek
    • 1
  • Wouter M. Bergmann Tiest
    • 1
  • Frank L. Gabrielse
    • 1
  • Bart W. J. Lagerberg
    • 1
  • Thomas K. Verhoogt
    • 1
  • Bart G. A. Wolfs
    • 1
  • Astrid M. L. Kappers
    • 1
  1. 1.MOVE Research Institute AmsterdamVU University AmsterdamAmsterdamThe Netherlands

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