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dc.contributor.authorWright, Craig M
dc.contributor.authorConlon, Elizabeth G
dc.contributor.authorDyck, Murray
dc.date.accessioned2017-05-03T14:57:17Z
dc.date.available2017-05-03T14:57:17Z
dc.date.issued2012
dc.date.modified2014-08-28T22:15:47Z
dc.identifier.issn0736-9387
dc.identifier.doi10.1007/s11881-011-0061-1
dc.identifier.urihttp://hdl.handle.net/10072/45378
dc.description.abstractThe aim of this study was to investigate the theory that visual magnocellular deficits seen in groups with dyslexia are linked to reading via the mechanisms of visual attention. Visual attention was measured with a serial search task and magnocellular function with a coherent motion task. A large group of children with dyslexia (n=70) had slower serial search times than a control group of typical readers. However, the effect size was small (?p 2=0.05) indicating considerable overlap between the groups. When the dyslexia sample was split into those with or without a magnocellular deficit, there was no difference in visual search reaction time between either group and controls. The data suggest that magnocellular sensitivity and visual spatial attention weaknesses are independent of one another. They also provide more evidence of heterogeneity in response to psychophysical tasks in groups with dyslexia. Alternative explanations for poor performance on visual attention tasks are proposed along with avenues for future research.
dc.description.peerreviewedYes
dc.description.publicationstatusYes
dc.languageEnglish
dc.language.isoeng
dc.publisherSpringer New York
dc.publisher.placeUnited States
dc.relation.ispartofstudentpublicationN
dc.relation.ispartofpagefrom53
dc.relation.ispartofpageto69
dc.relation.ispartofissue1
dc.relation.ispartofjournalAnnals of Dyslexia
dc.relation.ispartofvolume62
dc.rights.retentionY
dc.subject.fieldofresearchClinical sciences
dc.subject.fieldofresearchClinical sciences not elsewhere classified
dc.subject.fieldofresearchSpecialist studies in education
dc.subject.fieldofresearchCognitive and computational psychology
dc.subject.fieldofresearchcode3202
dc.subject.fieldofresearchcode320299
dc.subject.fieldofresearchcode3904
dc.subject.fieldofresearchcode5204
dc.titleVisual search deficits are independent of magnocellular deficits in dyslexia
dc.typeJournal article
dc.type.descriptionC1 - Articles
dc.type.codeC - Journal Articles
gro.facultyGriffith Health, School of Applied Psychology
gro.date.issued2012
gro.hasfulltextNo Full Text
gro.griffith.authorConlon, Elizabeth G.


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