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  Identification of everyday objects on the basis of kinetic contours

Segaert, K., Nygård, G. E., & Wagemans, J. (2009). Identification of everyday objects on the basis of kinetic contours. Vision Research, 49(4), 417-428. doi:10.1016/j.visres.2008.11.012.

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Segaert, Katrien1, 2, Autor           
Nygård, Geir Eliassen3, Autor
Wagemans, Johan3, Autor
Affiliations:
1Neurobiology of Language Group, MPI for Psycholinguistics, Max Planck Society, ou_102880              
2Department of Psychology, Laboratory of Experimental Psychology, University of Leuven, Tiensestraat 102, B-3000 Leuven, Belgium, ou_persistent22              
3Department of Psychology, Laboratory of Experimental Psychology, University of Leuven, ou_persistent22              

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 Zusammenfassung: Using kinetic contours derived from everyday objects, we investigated how motion affects object identification. In order not to be distinguishable when static, kinetic contours were made from random dot displays consisting of two regions, inside and outside the object contour. In Experiment 1, the dots were moving in only one of two regions. The objects were identified nearly equally well as soon as the dots either in the figure or in the background started to move. RTs decreased with increasing motion coherence levels and were shorter for complex, less compact objects than for simple, more compact objects. In Experiment 2, objects could be identified when the dots were moving both in the figure and in the background with speed and direction differences between the two. A linear increase in either the speed difference or the direction difference caused a linear decrease in RT for correct identification. In addition, the combination of speed and motion differences appeared to be super-additive.

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Sprache(n): eng - English
 Datum: 2009-01-222009
 Publikationsstatus: Erschienen
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 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: Expertenbegutachtung
 Identifikatoren: DOI: 10.1016/j.visres.2008.11.012
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Titel: Vision Research
  Alternativer Titel : Vision Res.
Genre der Quelle: Zeitschrift
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Ort, Verlag, Ausgabe: -
Seiten: - Band / Heft: 49 (4) Artikelnummer: - Start- / Endseite: 417 - 428 Identifikator: Anderer: 954925451842
ISSN: 0042-6989