Mechanisms of Surface Completion: Perceptual Filling-In of Texture

Lothar Spillmann and Peter De Weerd

in Filling-In

Published in print April 2003 | ISBN: 9780195140132
Published online May 2009 | e-ISBN: 9780199865307 | DOI:
 Mechanisms of Surface Completion: Perceptual Filling-In of Texture

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This chapter discusses the mechanisms of texture filling-in. With prolonged fixation, targets defined by texture contrast rapidly fade and disappear into the background in a way similar to that of targets defined by brightness, color, and motion. Psychophysical and neurophysiological evidence suggests a two-stage mechanism for the filling-in of figures by their background: Gradual breakdown of the segregation of a figure from its ground is followed by fast filling-in of background features through the region formerly occupied by the figure. These segregation processes comprise both lower-level mechanisms of boundary representation and higher-level attentive and cognitive factors. The chapter proposes that the interpolation processes active during the filling-in of figures by their grounds are similar to the interpolation processes occurring through scotomas and through surface regions in the visual field.

Keywords: texture filling-in; figure-ground segregation; fixation; boundary representation

Chapter.  10577 words.  Illustrated.

Subjects: Neuroscience

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