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Grasp Preparation Improves Change Detection for Congruent Objects

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Title: Grasp Preparation Improves Change Detection for Congruent Objects
Language: English
Authors: Symes,, Tucker, Mike, Ellis, Rob
Source: Journal of Experimental Psychology: Human Perception and Performance. Aug 2008 34(4):854-871.
Availability: American Psychological Association. Journals Department, 750 First Street NE, Washington, DC 20002-4242. Tel: 800-374-2721; Tel: 202-336-5510; Fax: 202-336-5502; e-mail: order@apa.org; Web site: http://www.apa.org/publications
Peer Reviewed: Y
Physical Description: PDF
Page Count: 18
Publication Date: 2008
Document Type: Journal Articles
Reports - Research
Descriptors: Attention, Perceptual Motor Coordination, Visual Perception, Bias, Change, Responses
DOI: 10.1037/0096-1523.34.4.854
ISSN: 0096-1523
Abstract: A series of experiments provided converging support for the hypothesis that action preparation biases selective attention to action-congruent object features. When visual transients are masked in so-called "change-blindness scenes," viewers are blind to substantial changes between 2 otherwise identical pictures that flick back and forth. The authors report data in which participants planned a grasp prior to the onset of a change-blindness scene in which 1 of 12 objects changed identity. Change blindness was substantially reduced for grasp-congruent objects (e.g., planning a whole-hand grasp reduced change blindness to a changing apple). A series of follow-up experiments ruled out an alternative explanation that this reduction had resulted from a labeling or strategizing of responses and provided converging support that the effect genuinely arose from grasp planning. (Contains 7 figures and 4 footnotes.)
Abstractor: As Provided
Number of References: 38
Entry Date: 2008
Accession Number: EJ804697
Database: ERIC
FullText Text:
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  Data: Grasp Preparation Improves Change Detection for Congruent Objects
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  Data: American Psychological Association. Journals Department, 750 First Street NE, Washington, DC 20002-4242. Tel: 800-374-2721; Tel: 202-336-5510; Fax: 202-336-5502; e-mail: order@apa.org; Web site: http://www.apa.org/publications
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  Data: A series of experiments provided converging support for the hypothesis that action preparation biases selective attention to action-congruent object features. When visual transients are masked in so-called "change-blindness scenes," viewers are blind to substantial changes between 2 otherwise identical pictures that flick back and forth. The authors report data in which participants planned a grasp prior to the onset of a change-blindness scene in which 1 of 12 objects changed identity. Change blindness was substantially reduced for grasp-congruent objects (e.g., planning a whole-hand grasp reduced change blindness to a changing apple). A series of follow-up experiments ruled out an alternative explanation that this reduction had resulted from a labeling or strategizing of responses and provided converging support that the effect genuinely arose from grasp planning. (Contains 7 figures and 4 footnotes.)
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      – SubjectFull: Perceptual Motor Coordination
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      – SubjectFull: Visual Perception
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      – SubjectFull: Bias
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      – SubjectFull: Change
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      – SubjectFull: Responses
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