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Body schema plasticity after stroke: subjective and neurophysiological correlates of the rubber hand illusion

2017Journal article Restricted access
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dc.contributor.authorLlorens, Roberto
dc.contributor.authorBorrego, Adrián
dc.contributor.authorPalomo, Priscila
dc.contributor.authorCebolla, Ausiàs
dc.contributor.authorNoé, Enrique
dc.contributor.authorBermúdez i Badia, Sergi
dc.contributor.authorBaños, Rosa
dc.date.accessioned2019-12-10T15:22:35Z
dc.date.available2019-12-10T15:22:35Z
dc.date.issued2017
dc.description.abstractStroke can lead to motor impairments that can affect the body structure and restraint mobility. We hypothesize that brain lesions and their motor sequelae can distort the body schema, a sensorimotor map of body parts and elements in the peripersonal space through which human beings embody the reachable space and ready the body for forthcoming movements. Two main constructs have been identified in the embodiment mechanism: body-ownership, the sense that the body that one inhabits is his/her own, and agency, the sense that one can move and control his/her body. To test this, the present study simultaneously investigated different embodiment subcomponents (body-ownership, localization, and agency) and different neurophysiological measures (galvanic skin response, skin temperature, and surface electromyographic activity), and the interaction between them, in clinically-controlled hemiparetic individuals with stroke and in healthy subjects after the rubber hand illusion. Individuals with stroke reported significantly stronger body-ownership and agency and reduced increase of galvanic skin response, skin temperature, and muscular activity in the stimulated hand. We suggest that differences in embodiment could have been motivated by increased plasticity of the body schema and pathological predominance of the visual input over proprioception. We also suggest that differences in neurophysiological responses could have been promoted by a suppression of the reflex activity of the sympathetic nervous system and by the involvement of the premotor cortex in the reconfiguration of the body schema. These results could evidence a body schema plasticity promoted by the brain lesion and a main role of the premotor cortex in this mechanism.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationLlorens, R., Borrego, A., Palomo, P., Cebolla, A., Noé, E., Bermúdez i Badia, S., & Baños, R. (2017). Body schema plasticity after stroke: subjective and neurophysiological correlates of the rubber hand illusion. Neuropsychologia, 96, 61-69.pt_PT
dc.identifier.doi10.1016/j.neuropsychologia.2017.01.007pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.13/2641
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherElsevierpt_PT
dc.subjectBody schemapt_PT
dc.subjectBody-ownershippt_PT
dc.subjectEmbodimentpt_PT
dc.subjectRubber hand illusionpt_PT
dc.subjectStrokept_PT
dc.subjectNeurophysiologypt_PT
dc.subject.pt_PT
dc.subjectFaculdade de Ciências Exatas e da Engenhariapt_PT
dc.titleBody schema plasticity after stroke: subjective and neurophysiological correlates of the rubber hand illusionpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage69pt_PT
oaire.citation.startPage61pt_PT
oaire.citation.titleNeuropsychologiapt_PT
oaire.citation.volume96pt_PT
person.familyNameLlorens
person.familyNameBermúdez i Badia
person.givenNameRoberto
person.givenNameSergi
person.identifier239789
person.identifier.ciencia-idCA17-5E88-2B37
person.identifier.orcid0000-0002-8677-8707
person.identifier.orcid0000-0003-4452-0414
person.identifier.ridO-8978-2014
person.identifier.ridC-8681-2018
person.identifier.scopus-author-id35181534400
person.identifier.scopus-author-id6506360007
rcaap.rightsrestrictedAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublicationf7163e80-3c55-4670-80c8-a1d0beeb28df
relation.isAuthorOfPublicationef8f1e3b-3c09-4817-80d0-d96aa88051a2
relation.isAuthorOfPublication.latestForDiscoveryef8f1e3b-3c09-4817-80d0-d96aa88051a2

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