Document Detail


Contour symmetry detection: the influence of axis orientation and number of objects.
MedLine Citation:
PMID:  11057006     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Participants discriminated symmetrical from random contours connected by straight lines to form part of one- or two-objects. In experiment one, symmetrical contours were translated or reflected and presented at vertical, horizontal, and oblique axis orientations with orientation constant within blocks. Translated two-object contours were detected more easily than one, replicating a "lock-and-key" effect obtained previously for vertical orientations only [M. Bertamini, J.D. Friedenberg, M. Kubovy, Acta Psychologica, 95 (1997) 119-140]. A second experiment extended these results to a wider variety of axis orientations under mixed block conditions. The pattern of performance for translation and reflection at different orientations corresponded in both experiments, suggesting that orientation is processed similarly in the detection of these symmetries.
Authors:
J Friedenberg; M Bertamini
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Publication Detail:
Type:  Clinical Trial; Journal Article; Randomized Controlled Trial    
Journal Detail:
Title:  Acta psychologica     Volume:  105     ISSN:  0001-6918     ISO Abbreviation:  Acta Psychol (Amst)     Publication Date:  2000 Sep 
Date Detail:
Created Date:  2000-11-03     Completed Date:  2000-11-15     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  0370366     Medline TA:  Acta Psychol (Amst)     Country:  NETHERLANDS    
Other Details:
Languages:  eng     Pagination:  107-18     Citation Subset:  IM    
Affiliation:
Department of Psychology, Manhattan College, Riverdale, NY 10471, USA. jfrieden@manhattan.edu
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MeSH Terms
Descriptor/Qualifier:
Adult
Analysis of Variance
Discrimination (Psychology)*
Female
Form Perception*
Humans
Male
Pattern Recognition, Visual
Reaction Time

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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