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dc.contributor.authorNeumann, DL
dc.contributor.authorLipp, OV
dc.contributor.authorSiddle, DAT
dc.date.accessioned2006-07-28
dc.date.accessioned2012-05-10T22:49:04Z
dc.date.accessioned2017-03-01T23:05:38Z
dc.date.available2017-03-01T23:05:38Z
dc.date.issued2001
dc.date.modified2012-05-10T22:49:04Z
dc.identifier.issn0004-9530
dc.identifier.doi10.1080/00049530108255126
dc.identifier.urihttp://hdl.handle.net/10072/45055
dc.description.abstractInformation processing accounts propose that autonomic orienting reflects the amount of resources allocated to process a stimulus. However, secondary task reaction time (RT), a supposed measure of processing resources, has shown a dissociation from autonomic orienting. The present study tested the hypothesis that secondary task RT reflects a serial processing mechanism. Participants (N = 24) were presented with circle and ellipse shapes and asked to count the number of longer-than-usual presentations of one shape (task-relevant) and to ignore presentations of a second shape (task-irrelevant). Concurrent with the counting task, participants performed a secondary RT task to an auditory probe presented at either a high or low intensity and at two different probe positions following shape onset (50 and 300 ms). Electrodermal orienting was larger during task-relevant shapes than during task-irrelevant shapes, but secondary task RT to the high-intensity probe was slower during the latter. In addition, an underadditive interaction between probe stimulus intensity and probe position was found in secondary RT. The findings are consistent with a serial processing model of secondary RT and suggest that the notion of processing stages should be incorporated into current information-processing models of autonomic orienting.
dc.description.peerreviewedYes
dc.description.publicationstatusYes
dc.format.extent59463 bytes
dc.format.mimetypeapplication/pdf
dc.languageEnglish
dc.language.isoeng
dc.publisherTaylor & Francis Ltd
dc.publisher.placeUnited Kingdom
dc.relation.ispartofpagefrom72
dc.relation.ispartofpageto76
dc.relation.ispartofissue2
dc.relation.ispartofjournalAustralian Journal of Psychology
dc.relation.ispartofvolume53
dc.subject.fieldofresearchPsychology
dc.subject.fieldofresearchCognitive Sciences
dc.subject.fieldofresearchcode1701
dc.subject.fieldofresearchcode1702
dc.titleEffect of probe stimulus intensity on the dissociation between autonomic orienting and secondary probe reaction time
dc.typeJournal article
dc.type.descriptionC1 - Articles
dc.type.codec1x
gro.facultyGriffith Health Faculty
gro.rights.copyright© 2001 Taylor & Francis. This is an electronic version of an article published in Australian Journal of Psychology Vol.3 (2), 2001, pp.72-76. Australian Journal of Psychology is available online at: http://www.informaworld.com with the open URL of your article.
gro.date.issued2001
gro.hasfulltextFull Text
gro.griffith.authorNeumann, David L.


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