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Article: Attention-based long-lasting sensitization and suppression of colors

TitleAttention-based long-lasting sensitization and suppression of colors
Authors
KeywordsAttention
Feature-based attention
Learning
Sensitization
Suppression
Third-order motion
Issue Date2010
PublisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/visres
Citation
Vision Research, 2010, v. 50 n. 4, p. 416-423 How to Cite?
AbstractIn contrast to the short-duration and quick reversibility of attention, a long-term sensitization to color based on protracted attention in a visual search task was reported by Tseng, Gobell, and Sperling (2004). When subjects were trained for a few hours to search for a red object among colored distracters, sensitivity to red was increased for weeks. This sensitization was quantified using ambiguous motion displays containing isoluminant red-green and texture-contrast gratings, in which the perceived motiondirection depended both on the attended color and on the relative red-green saturation. Such long-term effects could result from either sensitization of the attended color, or suppression of unattended colors, or a combination of the two. Here we unconfound these effects by eliminating one of the paired colors of the motion display from the search task. The other paired color in the motion display can then be either a target or a distracter in the search task. Thereby, we separately measure the effect of attention on sensitizing the target color or suppressing distracter colors. The results indicate that only sensitization of the target color in the search task is statistically significant for the present experimental conditions. We conclude that selective attention to a color in our visual search task caused long-term sensitization to the attended color but not significant long-term suppression of the unattended color. © 2009 Elsevier Ltd.
Persistent Identifierhttp://hdl.handle.net/10722/124312
ISSN
2015 Impact Factor: 1.776
2015 SCImago Journal Rankings: 0.957
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorTseng, CHen_HK
dc.contributor.authorVidnyanszky, Zen_HK
dc.contributor.authorPapathomas, Ten_HK
dc.contributor.authorSperling, Gen_HK
dc.date.accessioned2010-10-31T10:27:24Z-
dc.date.available2010-10-31T10:27:24Z-
dc.date.issued2010en_HK
dc.identifier.citationVision Research, 2010, v. 50 n. 4, p. 416-423en_HK
dc.identifier.issn0042-6989en_HK
dc.identifier.urihttp://hdl.handle.net/10722/124312-
dc.description.abstractIn contrast to the short-duration and quick reversibility of attention, a long-term sensitization to color based on protracted attention in a visual search task was reported by Tseng, Gobell, and Sperling (2004). When subjects were trained for a few hours to search for a red object among colored distracters, sensitivity to red was increased for weeks. This sensitization was quantified using ambiguous motion displays containing isoluminant red-green and texture-contrast gratings, in which the perceived motiondirection depended both on the attended color and on the relative red-green saturation. Such long-term effects could result from either sensitization of the attended color, or suppression of unattended colors, or a combination of the two. Here we unconfound these effects by eliminating one of the paired colors of the motion display from the search task. The other paired color in the motion display can then be either a target or a distracter in the search task. Thereby, we separately measure the effect of attention on sensitizing the target color or suppressing distracter colors. The results indicate that only sensitization of the target color in the search task is statistically significant for the present experimental conditions. We conclude that selective attention to a color in our visual search task caused long-term sensitization to the attended color but not significant long-term suppression of the unattended color. © 2009 Elsevier Ltd.en_HK
dc.languageengen_HK
dc.publisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/visresen_HK
dc.relation.ispartofVision Researchen_HK
dc.subjectAttentionen_HK
dc.subjectFeature-based attentionen_HK
dc.subjectLearningen_HK
dc.subjectSensitizationen_HK
dc.subjectSuppressionen_HK
dc.subjectThird-order motionen_HK
dc.titleAttention-based long-lasting sensitization and suppression of colorsen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0042-6989&volume=50&issue=4&spage=416&epage=423&date=2010&atitle=Attention-based+long-lasting+sensitization+and+suppression+of+colorsen_HK
dc.identifier.emailTseng, CH:tseng@hku.hken_HK
dc.identifier.authorityTseng, CH=rp00640en_HK
dc.description.naturelink_to_OA_fulltext-
dc.identifier.doi10.1016/j.visres.2009.09.019en_HK
dc.identifier.pmid19796652-
dc.identifier.scopuseid_2-s2.0-79955700831en_HK
dc.identifier.hkuros212543en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-79955700831&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume50en_HK
dc.identifier.issue4en_HK
dc.identifier.spage416en_HK
dc.identifier.epage423en_HK
dc.identifier.eissn1878-5646-
dc.identifier.isiWOS:000275347800006-
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridTseng, CH=7402541752en_HK
dc.identifier.scopusauthoridVidnyanszky, Z=6604002451en_HK
dc.identifier.scopusauthoridPapathomas, T=7005253954en_HK
dc.identifier.scopusauthoridSperling, G=7006467228en_HK
dc.identifier.citeulike5885721-

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