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From parts to wholes: mechanisms of development in infant visual object processing

Westermann, G and Mareschal, D (2004) From parts to wholes: mechanisms of development in infant visual object processing. Infancy, 5 (2). pp. 131-151. ISSN 1525-0008

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Abstract

Visual object processing in infancy is often described as proceeding from an early stage in which object features are processed independently to a later stage in which relations between features are taken into account (e.g., Cohen, 1998). Here we present the Representational Acuity Hypothesis, which argues that this behavioral shift can be explained by a developmental decrease in the size of neural receptive fields in the cortical areas responsible for object representation, together with a tuning to specific object features. We evaluate this hypothesis with a connectionist model of infant perceptual categorization. The model shows a behavioral shift in featural to relational processing consistent with similar results observed in the infant categorization experiments of Younger (1985) and Younger and Cohen (1986).

Item Type: Article
Journal or Publication Title: Infancy
Uncontrolled Keywords: RECEPTIVE-FIELDS ; NEURAL NETWORKS ; STRIATE CORTEX ; CAUSAL EVENT ; PERCEPTION ; CATEGORIZATION ; SELECTIVITY ; SENSITIVITY ; ACUITY ; MODELS
Subjects: B Philosophy. Psychology. Religion > BF Psychology
Departments: Faculty of Science and Technology > Psychology
ID Code: 50898
Deposited By: ep_importer_pure
Deposited On: 08 Nov 2011 14:58
Refereed?: Yes
Published?: Published
Last Modified: 09 Apr 2014 22:49
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/50898

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