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Article: Distinct task-independent visual thresholds for egocentric and allocentric information pick up

TitleDistinct task-independent visual thresholds for egocentric and allocentric information pick up
Authors
KeywordsAction
Allocentric Information
Egocentric Information
Perception
Visual Illusions
Visual Masking
Visual Threshold
Issue Date2012
PublisherAcademic Press. The Journal's web site is located at http://www.elsevier.com/locate/concog
Citation
Consciousness And Cognition, 2012, v. 21 n. 3, p. 1410-1418 How to Cite?
AbstractThe dominant view of the ventral and dorsal visual systems is that they subserve perception and action. De Wit, Van der Kamp, and Masters (2011) suggested that a more fundamental distinction might exist between the nature of information exploited by the systems. The present study distinguished between these accounts by asking participants to perform delayed matching (perception), pointing (action) and perceptual judgment responses to masked Müller-Lyer stimuli of varying length. Matching and pointing responses of participants who could not perceptually judge stimulus length at brief durations remained sensitive to veridical stimulus length (egocentric information), but not the illusion (allocentric, context-dependent information), which was effective at long durations. Distinct thresholds for egocentric and allocentric information pick up were thus evident irrespective of whether perception (matching) or action (pointing) responses were required. It was concluded that the dorsal and ventral systems may be delineated fundamentally by fast egocentric- and slower allocentric information pick up, respectively. © 2012 Elsevier Inc.
Persistent Identifierhttp://hdl.handle.net/10722/176080
ISSN
2015 Impact Factor: 2.182
2015 SCImago Journal Rankings: 1.363
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorDe Wit, MMen_US
dc.contributor.authorVan Der Kamp, Jen_US
dc.contributor.authorMasters, RSWen_US
dc.date.accessioned2012-11-26T09:04:55Z-
dc.date.available2012-11-26T09:04:55Z-
dc.date.issued2012en_US
dc.identifier.citationConsciousness And Cognition, 2012, v. 21 n. 3, p. 1410-1418en_US
dc.identifier.issn1053-8100en_US
dc.identifier.urihttp://hdl.handle.net/10722/176080-
dc.description.abstractThe dominant view of the ventral and dorsal visual systems is that they subserve perception and action. De Wit, Van der Kamp, and Masters (2011) suggested that a more fundamental distinction might exist between the nature of information exploited by the systems. The present study distinguished between these accounts by asking participants to perform delayed matching (perception), pointing (action) and perceptual judgment responses to masked Müller-Lyer stimuli of varying length. Matching and pointing responses of participants who could not perceptually judge stimulus length at brief durations remained sensitive to veridical stimulus length (egocentric information), but not the illusion (allocentric, context-dependent information), which was effective at long durations. Distinct thresholds for egocentric and allocentric information pick up were thus evident irrespective of whether perception (matching) or action (pointing) responses were required. It was concluded that the dorsal and ventral systems may be delineated fundamentally by fast egocentric- and slower allocentric information pick up, respectively. © 2012 Elsevier Inc.en_US
dc.languageengen_US
dc.publisherAcademic Press. The Journal's web site is located at http://www.elsevier.com/locate/concogen_US
dc.relation.ispartofConsciousness and Cognitionen_US
dc.subjectActionen_US
dc.subjectAllocentric Informationen_US
dc.subjectEgocentric Informationen_US
dc.subjectPerceptionen_US
dc.subjectVisual Illusionsen_US
dc.subjectVisual Maskingen_US
dc.subjectVisual Thresholden_US
dc.titleDistinct task-independent visual thresholds for egocentric and allocentric information pick upen_US
dc.typeArticleen_US
dc.identifier.emailMasters, RSW: mastersr@hku.hken_US
dc.identifier.authorityMasters, RSW=rp00935en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1016/j.concog.2012.07.008en_US
dc.identifier.pmid22868214-
dc.identifier.scopuseid_2-s2.0-84865376169en_US
dc.identifier.hkuros223473-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-84865376169&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume21en_US
dc.identifier.issue3en_US
dc.identifier.spage1410en_US
dc.identifier.epage1418en_US
dc.identifier.isiWOS:000308685600030-
dc.publisher.placeUnited Statesen_US
dc.identifier.scopusauthoridDe Wit, MM=35236753500en_US
dc.identifier.scopusauthoridVan der Kamp, J=7003734906en_US
dc.identifier.scopusauthoridMasters, RSW=7102880488en_US
dc.identifier.citeulike11623266-

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