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Viewpoint dependence in visual and haptic object recognition

MPS-Authors
http://pubman.mpdl.mpg.de/cone/persons/resource/persons84426

Newell,  F
Department Human Perception, Cognition and Action, Max Planck Institute for Biological Cybernetics, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons83906

Ernst,  MO
Research Group Multisensory Perception and Action, Max Planck Institute for Biological Cybernetics, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons84259

Tjan,  BS
Department Human Perception, Cognition and Action, Max Planck Institute for Biological Cybernetics, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons83839

Bülthoff,  HH
Department Human Perception, Cognition and Action, Max Planck Institute for Biological Cybernetics, Max Planck Society;

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Citation

Newell, F., Ernst, M., Tjan, B., & Bülthoff, H.(2000). Viewpoint dependence in visual and haptic object recognition (80).


Cite as: http://hdl.handle.net/11858/00-001M-0000-0013-E521-F
Abstract
On the whole, we recognise objects best when we see them from a familiar view and worse from views that were previously occluded from sight. Unexpectedly, we found haptic object recognition to also be viewpoint-specific, even though hand movements were unrestricted. This was due to the hands preferring the back "view" of the objects. Furthermore, when the sensory modalities (visual vs. haptic) differed between learning an object and recognising it, we found that recognition performance was best when the objects were also rotated back-to-front between learning and recognition. Our data indicate that the visual system recognises the front view of the objects best whereas the hand recognises the objects best from the back.