Please use this identifier to cite or link to this item:
https://hdl.handle.net/2440/109225
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dc.contributor.author | Darvishi, S. | - |
dc.contributor.author | Ridding, M.C. | - |
dc.contributor.author | Hordacre, B. | - |
dc.contributor.author | Abbott, D. | - |
dc.contributor.author | Baumert, M. | - |
dc.date.issued | 2017 | - |
dc.identifier.citation | Royal Society Open Science, 2017; 4(8):170660-170660 | - |
dc.identifier.issn | 2054-5703 | - |
dc.identifier.issn | 2054-5703 | - |
dc.identifier.uri | http://hdl.handle.net/2440/109225 | - |
dc.description.abstract | Restorative brain-computer interfaces (BCIs) have been proposed to enhance stroke rehabilitation. Restorative BCIs are able to close the sensorimotor loop by rewarding motor imagery (MI) with sensory feedback. Despite the promising results from early studies, reaching clinically significant outcomes in a timely fashion is yet to be achieved. This lack of efficacy may be due to suboptimal feedback provision. To the best of our knowledge, the optimal feedback update interval (FUI) during MI remains unexplored. There is evidence that sensory feedback disinhibits the motor cortex. Thus, in this study, we explore how shorter than usual FUIs affect behavioural and neurophysiological measures following BCI training for stroke patients using a single-case proof-of-principle study design. The action research arm test was used as the primary behavioural measure and showed a clinically significant increase (36%) over the course of training. The neurophysiological measures including motor evoked potentials and maximum voluntary contraction showed distinctive changes in early and late phases of BCI training. Thus, this preliminary study may pave the way for running larger studies to further investigate the effect of FUI magnitude on the efficacy of restorative BCIs. It may also elucidate the role of early and late phases of motor learning along the course of BCI training. | - |
dc.language.iso | en | - |
dc.publisher | The Royal Society | - |
dc.source.uri | http://dx.doi.org/10.1098/rsos.170660 | - |
dc.subject | brain–computer interface | - |
dc.subject | brain–machine interface | - |
dc.subject | feedback | - |
dc.subject | feedback update interval | - |
dc.subject | rehabilitation | - |
dc.subject | stroke | - |
dc.title | Investigating the impact of feedback update interval on the efficacy of restorative brain–computer interfaces | - |
dc.type | Journal article | - |
dc.identifier.doi | 10.1098/rsos.170660 | - |
pubs.publication-status | Published | - |
dc.identifier.orcid | Ridding, M.C. [0000-0001-5657-9136] | - |
dc.identifier.orcid | Hordacre, B. [0000-0002-7129-6684] | - |
dc.identifier.orcid | Abbott, D. [0000-0002-0945-2674] | - |
dc.identifier.orcid | Baumert, M. [0000-0003-2984-2167] | - |
Appears in Collections: | Aurora harvest 8 Medicine publications |
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hdl_109225.pdf | Published version | 823.24 kB | Adobe PDF | View/Open |
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