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Cognitive Neuroscience, Development, and PsychopathologyTypical and Atypical Developmental Trajectories of Attention$
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Jacob A. Burack, James T. Enns, and Nathan A. Fox

Print publication date: 2012

Print ISBN-13: 9780195315455

Published to Oxford Scholarship Online: September 2012

DOI: 10.1093/acprof:oso/9780195315455.001.0001

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ONTOGENESIS AND MICROGENESIS OF VISUAL PERCEPTUAL ORGANIZATION

ONTOGENESIS AND MICROGENESIS OF VISUAL PERCEPTUAL ORGANIZATION

Chapter:
(p.101) ﹛ 5 ﹜ ONTOGENESIS AND MICROGENESIS OF VISUAL PERCEPTUAL ORGANIZATION
Source:
Cognitive Neuroscience, Development, and Psychopathology
Author(s):

Ruth Kimchi

Publisher:
Oxford University Press
DOI:10.1093/acprof:oso/9780195315455.003.0005

One approach to understanding the psychological processes involved in perceptual organization, and the one presented in this chapter, is to study the evolution of perceptual organization in two different time scales: microgenetically (the unfolding of perceptual organization during the act of perception in adult observers) and ontogenetically (the developmental course of perceptual organization). The chapter begins with a brief review of major findings that have emerged from microgenetic research and developmental research on perceptual organization. Next, two series of studies are described that seek to reveal the processes involved in perceptual grouping and individuation in hierarchical organization and grouping of shape by perceptual closure by exploring their microgenesis and ontogenetic development. The findings of these studies are consistent with a view of perceptual organization as a multiplicity of processes that vary in time course, attentional demands, and developmental trajectory. In closing, implications for linking microgenesis and ontogenesis are discussed.

Keywords:   perceptual organization, perceptual grouping, microgenesis, ontogenesis, development, time scales, perceptual closure, hierarchical organization

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