Electrophysiological impact of multiple concussions in asymptomatic athletes: a re-analysis based on alpha activity during a visual-spatial attention task
dc.contributor.author | Guay, Samuel | |
dc.contributor.author | De Beaumont, Louis | |
dc.contributor.author | Drisdelle, Brandi Lee | |
dc.contributor.author | Lina, Jean-Marc | |
dc.contributor.author | Jolicoeur, Pierre | |
dc.date.accessioned | 2017-11-27T19:25:37Z | |
dc.date.available | MONTHS_WITHHELD:18 | fr |
dc.date.available | 2017-11-27T19:25:37Z | |
dc.date.issued | 2017-11-22 | |
dc.identifier.uri | http://hdl.handle.net/1866/19655 | |
dc.subject | Long-term effects | fr |
dc.subject | Concussion | fr |
dc.subject | Cumulative effects | fr |
dc.subject | EEG | fr |
dc.subject | Alpha | fr |
dc.subject | Event-related spectral perturbations | fr |
dc.title | Electrophysiological impact of multiple concussions in asymptomatic athletes: a re-analysis based on alpha activity during a visual-spatial attention task | fr |
dc.type | Article | fr |
dc.contributor.affiliation | Université de Montréal. Faculté des arts et des sciences. Département de psychologie | fr |
UdeM.statut | Étudiant(e) aux cycles supérieurs / Graduate Student | fr |
dc.identifier.doi | 10.1016/j.neuropsychologia.2017.11.022 | |
dcterms.abstract | Most EEG studies used event-related potentials to assess long-term and cumulative effects of sport-related concussions on brain activity. Time-frequency methods provide another approach that allows the detection of subtle shifts in types and patterns of brain oscillations. We sought to discover whether event-related alpha activity would be significantly affected in asymptomatic multi-concussed athletes. We measured the amplitude of alpha activity (8–12 Hz) from the EEG recorded during a visual-spatial attention task to compare event-related alpha perturbations in 13 multi-concussed athletes and 14 age-equivalent, non-concussed teammates. Relative to non-concussed athletes, multi-concussed athletes showed significantly less event-related perturbations time-locked to stimulus presentation. Alpha activity alterations were closely related to the number of concussions sustained. Event-related alpha activity differed in asymptomatic multi-concussed athletes when compared to controls. Our study suggests that low-level neurophysiological underpinnings of the deployment of visual-spatial attention are affected in multi-concussed athletes even though their last concussion occurred on average 30 months prior to testing. | fr |
dcterms.isPartOf | urn:ISSN:1873-3514 | |
dcterms.isPartOf | urn:ISSN:0028-3932 | |
dcterms.language | eng | fr |
UdeM.VersionRioxx | Version acceptée / Accepted Manuscript | |
oaire.citationTitle | Neuropsychologia | |
oaire.citationVolume | 108 | |
oaire.citationStartPage | 42 | |
oaire.citationEndPage | 49 |
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