Research article summary (published 27 Feb 2003):

Plasticity of feature-based selection in triple-conjunction search.

Full Abstract

Two experiments examined the disruption of feature-based selection in triple-conjunction search at multiple target transfers. In Experiment 1, after 10 training sessions, a new target possessing previous distractor features was introduced. This produced disruption in RT and fixation number, but no disruption in feature-based selection. Specifically, there was a tendency to fixate objects sharing the target's contrast polarity and shape and this did not change even upon transfer to the new target. In Experiment 2, 30 training sessions were provided with three target transfers. At the first transfer, the results replicated Experiment 1. Subsequent transfers did not produce disruption on any measure. These findings are discussed in terms of strength theory, Guided Search, rule-based approaches to perceptual learning, and the area activation model.

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Author information

Author/s: Ho, Geoffrey (G); SiakalukPaul, D (D); Scialfa, Charles T (CT);

Affiliation: University of Calgary, Alberta.

Journal and publication information

Publication Type: Journal Article; Research Support, Non-U.S. Gov't

Journal: Canadian journal of experimental psychology = Revue canadienne de psychologie expérimentale (Can J Exp Psychol), published in Canada. (Language: eng)

Reference: 2003-Mar; vol 57 (issue 1) : pp 48-60

Dates: Created 2003/04/03; Completed 2003/04/23; Revised 2008/11/21;

PMID: 12674369, status: MEDLINE (last retrieval date: 12/26/2008)

Sourced from the National Library of Medicine. Abstract text and other information may be subject to copyright.

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MeSH headings (categories)

This article was linked to the MESH Headings shown below.

Adult Attention - physiology Discrimination Learning - physiology Field Dependence-Independence Fixation, Ocular Humans Pattern Recognition, Visual

Practice (Psychology) Reaction Time - physiology Saccades - physiology Signal Detection, Psychological Size Perception Transfer (Psychology) Visual Perception - physiology

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