The Transition Between Noise (Disorder) and Structure (Order)

Stephen Handel

in Perceptual Coherence

Published in print May 2006 | ISBN: 9780195169645
Published online September 2007 | e-ISBN: 9780199786732 | DOI:
 The Transition Between Noise (Disorder) and Structure (Order)

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Texture refers to the surface characteristics of an object resulting from the quality and arrangement of its particles or constituent parts. One extensive set of experiments focused on the segmentation into discrete regions of visual stimuli composed of dots or micropatterns. The original work contrasted different statistical distributions of the lightness of the dots, but soon shifted to the geometrical properties of the micropatterns. Another extensive set of experiments focused on the perception of emergent global surface properties created by the successive transformation of random noise patterns. For visual Glass patterns, transformations can lead to the perception of rotation, radial expansion, symmetry, contour, and linear movement. For auditory noise patterns, repetition can lead to the perception of pitch. It is important to distinguish between direct passive perceiving and attentive active perceiving. Structure in the physical world may not be perceivable.

Keywords: auditory noise segments; geometric micropatterns; glass patterns; passive versus active perceiving; pitch perception; repetition; symmetry; statistical distributions; texture segmentation

Chapter.  16036 words.  Illustrated.

Subjects: Cognitive Psychology

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