The haptic perception of spatial orientations |
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Authors: | Gentaz Edouard Baud-Bovy Gabriel Luyat Marion |
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Institution: | National Center of Scientific Research, University of Grenoble 2, Grenoble, France. Edouard.Gentaz@upmf-grenoble.fr |
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Abstract: | This review examines the isotropy of the perception of spatial orientations in the haptic system. It shows the existence of
an oblique effect (i.e., a better perception of vertical and horizontal orientations than oblique orientations) in a spatial
plane intrinsic to the haptic system, determined by the gravitational cues and the cognitive resources and defined in a subjective
frame of reference. Similar results are observed from infancy to adulthood. In 3D space, the haptic processing of orientations is also anisotropic and seems to use both egocentric and allocentric cues. Taken together,
these results revealed that the haptic oblique effect occurs when the sensory motor traces associated with exploratory movement
are represented more abstractly at a cognitive level. |
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Keywords: | Haptic Space Orientations Oblique effect Hand Categorization Reference frame Development |
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