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Freigegeben

Poster

Overestimation of 15-40 percent of configural information in faces: The role of geometrical illusions

MPG-Autoren
http://pubman.mpdl.mpg.de/cone/persons/resource/persons84420

Schwaninger,  A
Department Human Perception, Cognition and Action, Max Planck Institute for Biological Cybernetics, Max Planck Society;

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Zitation

Schwaninger, A. (2002). Overestimation of 15-40 percent of configural information in faces: The role of geometrical illusions. Poster presented at 5. Tübinger Wahrnehmungskonferenz (TWK 2002), Tübingen, Germany.


Zitierlink: http://hdl.handle.net/11858/00-001M-0000-0013-E04A-3
Zusammenfassung
Several previous studies have stressed the importance of configural information in face recognition. In this study the perception of configural information was investigated. Using the method of adjustment Experiment 1 revealed that the inter-eye distance is overestimated by 15 percent and the eye-mouth distance by more than 30 percent. In Experiment 2 this effect was replicated using a different set of stimuli. In Experiment 3 several possible explanations were tested: Horizontal vertical illusion, Muller-Lyer illusion, Oppel-Kundt illusion, context effects, Pragnanz effect, and the role of surface information. Experiment 4 consisted of a replication in which a face and a line drawing was used in order to test for surface based face specific effects. The results of these four experiments suggest an important role of well-known perceptual illusions for the explanation of the large overestimation of configural information in faces.