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Relationships between neuropsychological and antisaccade measures in multiple sclerosis patients

2018Journal article Open access
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dc.contributor.authorFerreira, MB
dc.contributor.authorPereira, PAl
dc.contributor.authorParreira, M
dc.contributor.authorSousa, I
dc.contributor.authorFigueiredo, J
dc.contributor.authorCerqueira, JJ
dc.contributor.authorMacedo, AF
dc.date.accessioned2018-11-09T14:10:15Z
dc.date.available2018-11-09T14:10:15Z
dc.date.issued2018
dc.description.abstractBACKGROUND: The Stroop test is frequently used to assess deficits in inhibitory control in people with multiple sclerosis (MS). This test has limitations and antisaccade eye movements, that also measure inhibitory control, may be an alternative to Stroop. OBJECTIVES: The aim of this study was twofold: (i) to investigate if the performance in the antisaccade task is altered in patients with MS and (ii) to investigate the correlation between performances in neuropsychological tests, the Stroop test and the antisaccade task. METHODS: We measured antisaccades (AS) parameters with an infrared eye tracker (SMIRED 250 Hz) using a standard AS paradigm. A total of 38 subjects diagnosed with MS and 38 age and gender matched controls participated in this study. Neuropsychological measures were obtained from the MS group. RESULTS: Patients with MS have higher error rates and prolonged latency than controls in the antisaccade task. There was a consistent association between the Stroop performance and AS latency. Stroop performance but not AS latency was associated with other neuropsychological measures in which the MS group showed deficits. CONCLUSIONS: Our findings suggest that AS may be a selective and independent measure to investigate inhibitory control in patients with MS. More studies are necessary to confirm our results and to describe brain correlates associated with impaired performance in the antisaccade task in people diagnosed with MS..pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationPeerJ. 2018 Oct 4;6:e5737.pt_PT
dc.identifier.doi10.7717/peerj.5737pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.23/1283
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.subjectEsclerose Múltiplapt_PT
dc.subjectMovimentos Sacádicospt_PT
dc.subjectTestes Neuropsicológicospt_PT
dc.titleRelationships between neuropsychological and antisaccade measures in multiple sclerosis patientspt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.startPagee5737pt_PT
oaire.citation.volume6pt_PT
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT

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