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Too little or too much? Parafoveal preview benefits and parafoveal load costs in dyslexic adults

2016-07Journal article Restricted access
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dc.contributor.authorSilva, Susana
dc.contributor.authorFaísca, Luís
dc.contributor.authorAraújo, Susana
dc.contributor.authorCasaca, Luis
dc.contributor.authorCarvalho, Loide
dc.contributor.authorPetersson, Karl Magnus
dc.contributor.authorReis, Alexandra
dc.date.accessioned2017-04-07T15:56:26Z
dc.date.available2017-04-07T15:56:26Z
dc.date.issued2016-07
dc.description.abstractTwo different forms of parafoveal dysfunction have been hypothesized as core deficits of dyslexic individuals: reduced parafoveal preview benefits ("too little parafovea") and increased costs of parafoveal load ("too much parafovea"). We tested both hypotheses in a single eye-tracking experiment using a modified serial rapid automatized naming (RAN) task. Comparisons between dyslexic and non-dyslexic adults showed reduced parafoveal preview benefits in dyslexics, without increased costs of parafoveal load. Reduced parafoveal preview benefits were observed in a naming task, but not in a silent letter-finding task, indicating that the parafoveal dysfunction may be consequent to the overload with extracting phonological information from orthographic input. Our results suggest that dyslexics' parafoveal dysfunction is not based on strict visuo-attentional factors, but nevertheless they stress the importance of extra-phonological processing. Furthermore, evidence of reduced parafoveal preview benefits in dyslexia may help understand why serial RAN is an important reading predictor in adulthood.
dc.identifier.doi10.1007/s11881-015-0113-z
dc.identifier.issn0736-9387
dc.identifier.urihttp://hdl.handle.net/10400.1/9417
dc.language.isoeng
dc.peerreviewedyes
dc.relationDo reading strategies modulate the word recognition potential (N170) and its hemispheric lateralization?
dc.relation.isbasedonWOS:000377793400002
dc.titleToo little or too much? Parafoveal preview benefits and parafoveal load costs in dyslexic adults
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleDo reading strategies modulate the word recognition potential (N170) and its hemispheric lateralization?
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oaire.citation.endPage201
oaire.citation.issue2
oaire.citation.startPage187
oaire.citation.titleAnnals of Dyslexia
oaire.citation.volume66
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person.familyNameSilva
person.familyNameFaísca
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person.familyNamePetersson
person.familyNameReis
person.givenNameSusana
person.givenNameLuís
person.givenNameSusana
person.givenNameKarl Magnus
person.givenNameAlexandra
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