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Poster

Physical self-motion facilitates object recognition, but does not enable view-independence

MPG-Autoren
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Teramoto,  W
Department Human Perception, Cognition and Action, Max Planck Institute for Biological Cybernetics, Max Planck Society;
Max Planck Institute for Biological Cybernetics, Max Planck Society;

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Riecke,  BE
Department Human Perception, Cognition and Action, Max Planck Institute for Biological Cybernetics, Max Planck Society;
Max Planck Institute for Biological Cybernetics, Max Planck Society;

Externe Ressourcen

https://journals.sagepub.com/doi/pdf/10.1177/03010066070360S101
(Verlagsversion)

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Zitation

Teramoto, W., & Riecke, B. (2007). Physical self-motion facilitates object recognition, but does not enable view-independence. Poster presented at 30th European Conference on Visual Perception (ECVP 2007), Arezzo, Italy.


Zitierlink: https://hdl.handle.net/11858/00-001M-0000-0013-CC69-8
Zusammenfassung
It is well known that people have difficulties recognizing an object from novel views as compared to learned views, resulting in increased response times and errors. Simons et al (2002 Perception Psychophysics 64 521 - 530) reported, however, the elimination of this viewpoint dependence when novel views resulted from viewer movement instead of object movement. They suggest the contribution of extra-retinal information to object recognition. The aim of the present study was to clarify the underlying mechanism of this phenomenon and to investigate larger turning angles (45° - 180°, in 45° steps). Observers performed sequential-matching tasks with 5 original versus mirror-reversed objects (experiment 1) and with 10 different objects (experiment 2). Test views of the objects were manipulated either by viewer or object movement. Both experiments showed a significant overall advantage for viewer movements. Note, however, that performance was still viewpoint-dependent. Object recognition performance was also highly correlated with general mental spatial abilities assessed by a paper-and-pencil test. These results suggest an involvement of advantageous and cost-effective transformation mechanisms, but not a complete automatic spatial-updating mechanism, when observers move.