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Illusory Rotations in the Haptic Perception of Moving Spheres and Planes

  • Astrid M. L. KappersEmail author
  • Wouter M. Bergmann Tiest
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 8619)

Abstract

Recently, we have shown that a translating bar on which blindfolded participants position their hand is perceived as also rotating. Here, we investigated whether such an illusory rotation would also be found if a sphere or a plane (i.e. a stimulus without a clear orientation) was used as translating stimulus. We indeed found similar rotation biases: on average a stimulus that translates over a distance of 60 cm has to rotate 25\(^\circ \) to be perceived as non-rotating. An additional research question was whether the biases were caused by the same underlying biasing egocentric reference frame. To our surprise, the correlations between the sizes of the biases of the individual participants in the various conditions were not high and mostly not even significant. This was possibly due to day-to-day variations, but clearly, more research is needed to answer this second research question.

Keywords

Spatial perception Rotation bias Parallel Psychophysics 

Notes

Acknowledgments

This work has been supported by the European Commission with the Collaborative Project no. 248587, THE Hand Embodied, within the FP7-ICT- 2009-4-2-1 program Cognitive Systems and Robotics.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2014

Authors and Affiliations

  • Astrid M. L. Kappers
    • 1
    Email author
  • Wouter M. Bergmann Tiest
    • 1
  1. 1.Move Research InstituteVU University AmsterdamAmsterdamThe Netherlands

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