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  Viewer-external frames of reference in the mental transformation of 3-D objects

Waszak, F., Drewing, K., & Mausfeld, R. (2005). Viewer-external frames of reference in the mental transformation of 3-D objects. Perception & Psychophysics, 67(7), 1269-1279. doi:10.3758/BF03193558.

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Waszak, Florian1, Autor           
Drewing, Knut2, Autor           
Mausfeld, Rainer, Autor
Affiliations:
1Department Psychology, MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_634564              
2MPI for Psychological Research (Munich, -2003), The Prior Institutes, MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_634573              

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 Zusammenfassung: Most models of object recognition and mental rotation are based on the matching of an object’s 2-D view with representations of the object stored in memory. They propose that a time-consuming normalization process compensates for any difference in viewpoint between the 2-D percept and the stored representation. Our experiment shows that such normalization is less time consuming when it has to compensate for disorientations around the vertical than around the horizontal axis of rotation. By decoupling the different possible reference frames, we demonstrate that this anisotropy of the normalization process is defined not with respect to the retinal frame of reference, but, rather, according to the gravitational or the visuocontextual frame of reference. Our results suggest that the visual system may call upon both the gravitational vertical and the visuocontext to serve as the frame of reference with respect to which 3-D objects are gauged in internal object transformations.

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 Datum: 2005
 Publikationsstatus: Erschienen
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 Ort, Verlag, Ausgabe: -
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 Identifikatoren: eDoc: 277975
Anderer: P5703
DOI: 10.3758/BF03193558
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Titel: Perception & Psychophysics
Genre der Quelle: Zeitschrift
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Ort, Verlag, Ausgabe: -
Seiten: - Band / Heft: 67 (7) Artikelnummer: - Start- / Endseite: 1269 - 1279 Identifikator: -