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Abstract

The phenomena of geometrical illusions of extent suggest that the metric of a perceived field is different from the metric of a physical stimulus. The present study investigated the Müller-Lyer and Oppel-Kundt illusions as functions of spatial parameters of the figures, and constructed a neurophysiological model. The main idea of the modelling is based on the uncertainty principle, according to which distortions of size relations of certain parts of the stimulus, so-called geometrical illusions, are determined by processes of spatial filtering in the visual system. Qualitative and quantitative agreement was obtained between psychophysical measurement of the strength value of the illusions and the predictions of our model.

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PubMed ID:: 9433754

DOI:: 10.1007/s004220050399

Keywords: Female,Form Perception,physiology,Humans,Male,Models, Neurological,Optical Illusions

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Keywords: Female, Form Perception, physiology, Humans, Male, Models, Neurological, Optical Illusions

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