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Gert J. van Tonder
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Journal Articles
Publisher: Journals Gateway
Leonardo (2017) 50 (1): 53–57.
Published: 01 February 2017
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ABSTRACT A neglected theory of aesthetics by the eminent Gestaltist Kurt Koffka is reviewed with the hope that it will spark new interest in the Gestalt contribution to art. Koffka’s particular emphasis on the art object, its perceptual qualities and its relation with the intentional self holds the potential for advancing scientific theories of aesthetic experience.
Journal Articles
Publisher: Journals Gateway
Leonardo (2010) 43 (3): 283–288.
Published: 01 June 2010
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ABSTRACT The geometry of the conspicuous variations in the apparent contrast observed in Fall , a representative painting by Bridget Riley, is analyzed here with a computational model of human vision. Observed contrast patterns constitute a source of perceptual rivalry between compositional elements in the artwork, causing visual tension. The analysis further brings to attention previously unnoticed abstract order—a global structure that may visually anchor perception during active viewing of the artwork. The combination of the different compositional layers drives sophisticated visual effects, setting the painting apart from similar patterns that are often used as scientific experimental stimuli.