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Poster

Human observers use personal exploration patterns in novel object recognition

MPG-Autoren
http://pubman.mpdl.mpg.de/cone/persons/resource/persons83861

Chuang,  LL
Department Human Perception, Cognition and Action, Max Planck Institute for Biological Cybernetics, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons84291

Vuong,  QC
Department Human Perception, Cognition and Action, Max Planck Institute for Biological Cybernetics, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons84258

Thornton,  IM
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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Zitation

Chuang, L., Vuong, Q., Thornton, I., & Bülthoff, H. (2007). Human observers use personal exploration patterns in novel object recognition. Poster presented at 30th European Conference on Visual Perception, Arezzo, Italy.


Zitierlink: http://hdl.handle.net/11858/00-001M-0000-0013-CC5F-F
Zusammenfassung
Humans learn and recognize objects through active exploration. Sixteen participants freely explored 3-D amoeboid objects in a virtual-reality environment during learning. They handled a device whose spatial coordinates determined the objectlsquo;s position relative to its viewpoint. These exploration patterns were also recorded for testing. In a subsequent old/new recognition test, participants either actively explored or passively viewed old (learned) and new objects in the same setup. Generally, active participants performed better than passive participants (in terms of sensitivity: d 0 amp;136; 1:08 vs 0.84, respectively). Despite this, those participants who passively viewed objects animated with their personal motion trajectories for learned objects maintained com- parable performance to that of participants who actively explored the objects (d 0 amp;136; 1:13). In contrast, passive observerslsquo; performance decreased when these trajectories were temporally reversed (d 0 amp;136; 0:69) or when another observerlsquo;s motion trajectories were used (d 0 amp;136; 0:70). While active exploration generally allowed better recognition of objects compared to passive viewing, our observers could rely on idiosyncratic exploration patternsöin which particular aspects of object structure were revealed over timeöto achieve equivalent performance.