Brain-machine interface in chronic stroke rehabilitation: A controlled study

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dc.contributor.authorRamos-Murguialday, Ander
dc.contributor.authorBroetz, Doris
dc.contributor.authorRea, Massimiliano
dc.contributor.authorLäer, Leonhard
dc.contributor.authorYilmaz, Özge
dc.contributor.authorBrasil, Fabricio L.
dc.contributor.authorLiberati, Giulia
dc.contributor.authorCurado, Marco R.
dc.contributor.authorGarcia-Cossio, Eliana
dc.contributor.authorVyziotis, Alexandros
dc.contributor.authorCho, Woosang
dc.contributor.authorAgostini, Manuel
dc.contributor.authorSoares, Ernesto
dc.contributor.authorSoekadar, Surjo
dc.contributor.authorCaria, Andrea
dc.contributor.authorCohen, Leonardo G.
dc.contributor.authorBirbaumer, Niels
dc.contributor.institutionMedical Technologies
dc.date.accessioned2024-07-24T12:01:31Z
dc.date.available2024-07-24T12:01:31Z
dc.date.issued2013-07
dc.description.abstractObjective Chronic stroke patients with severe hand weakness respond poorly to rehabilitation efforts. Here, we evaluated efficacy of daily brain-machine interface (BMI) training to increase the hypothesized beneficial effects of physiotherapy alone in patients with severe paresis in a double-blind sham-controlled design proof of concept study. Methods Thirty-two chronic stroke patients with severe hand weakness were randomly assigned to 2 matched groups and participated in 17.8 ± 1.4 days of training rewarding desynchronization of ipsilesional oscillatory sensorimotor rhythms with contingent online movements of hand and arm orthoses (experimental group, n = 16). In the control group (sham group, n = 16), movements of the orthoses occurred randomly. Both groups received identical behavioral physiotherapy immediately following BMI training or the control intervention. Upper limb motor function scores, electromyography from arm and hand muscles, placebo-expectancy effects, and functional magnetic resonance imaging (fMRI) blood oxygenation level-dependent activity were assessed before and after intervention. Results A significant group × time interaction in upper limb (combined hand and modified arm) Fugl-Meyer assessment (cFMA) motor scores was found. cFMA scores improved more in the experimental than in the control group, presenting a significant improvement of cFMA scores (3.41 ± 0.563-point difference, p = 0.018) reflecting a clinically meaningful change from no activity to some in paretic muscles. cFMA improvements in the experimental group correlated with changes in fMRI laterality index and with paretic hand electromyography activity. Placebo-expectancy scores were comparable for both groups. Interpretation The addition of BMI training to behaviorally oriented physiotherapy can be used to induce functional improvements in motor function in chronic stroke patients without residual finger movements and may open a new door in stroke neurorehabilitation. NEUROL 2013;74:100-108en
dc.description.statusPeer reviewed
dc.format.extent9
dc.identifier.citationRamos-Murguialday , A , Broetz , D , Rea , M , Läer , L , Yilmaz , Ö , Brasil , F L , Liberati , G , Curado , M R , Garcia-Cossio , E , Vyziotis , A , Cho , W , Agostini , M , Soares , E , Soekadar , S , Caria , A , Cohen , L G & Birbaumer , N 2013 , ' Brain-machine interface in chronic stroke rehabilitation : A controlled study ' , Annals of Neurology , vol. 74 , no. 1 , pp. 100-108 . https://doi.org/10.1002/ana.23879
dc.identifier.doi10.1002/ana.23879
dc.identifier.issn0364-5134
dc.identifier.urihttps://hdl.handle.net/11556/3154
dc.identifier.urlhttp://www.scopus.com/inward/record.url?scp=84883283700&partnerID=8YFLogxK
dc.language.isoeng
dc.relation.ispartofAnnals of Neurology
dc.relation.projectIDNational Institute of Neurological Disorders and Stroke, NINDS, ZIANS002978
dc.rightsinfo:eu-repo/semantics/openAccess
dc.subject.keywordsNeurology
dc.subject.keywordsNeurology (clinical)
dc.subject.keywordsSDG 3 - Good Health and Well-being
dc.titleBrain-machine interface in chronic stroke rehabilitation: A controlled studyen
dc.typejournal article
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