dc.contributor.author |
Madhavan, S |
en |
dc.contributor.author |
Rogers, LM |
en |
dc.contributor.author |
Stinear, James |
en |
dc.coverage.spatial |
France |
en |
dc.date.accessioned |
2012-03-01T20:10:28Z |
en |
dc.date.issued |
2010-09 |
en |
dc.identifier.citation |
European Journal of Neuroscience 32(6):1032-1039 Sep 2010 |
en |
dc.identifier.uri |
http://hdl.handle.net/2292/12500 |
en |
dc.description.abstract |
What are the neuroplastic mechanisms that allow some stroke patients to regain high-quality control of their paretic leg, when others do not? One theory implicates ipsilateral corticospinal pathways projecting from the non-lesioned hemisphere. We devised a new transcranial magnetic stimulation protocol to identify ipsilateral corticospinal tract conductivity from the non-lesioned hemisphere to the paretic limb in chronic stroke patients. We also assessed corticospinal tract degeneration by diffusion tensor imaging, and used an ankle tracking task to assess lower limb motor control. We found greater tracking error during antiphase bilateral ankle movement for patients with strong conductivity from the non-lesioned hemisphere to the paretic ankle than for those with weak or no conductivity. These findings suggest that, instead of assisting motor control, contributions to lower limb motor control from the non-lesioned hemisphere of some stroke survivors may be maladaptive. |
en |
dc.language |
eng |
en |
dc.publisher |
Wiley-Blackwell Publishing Ltd. |
en |
dc.relation.ispartofseries |
European Journal of Neuroscience |
en |
dc.rights |
Items in ResearchSpace are protected by copyright, with all rights reserved, unless otherwise indicated. Previously published items are made available in accordance with the copyright policy of the publisher. Details obtained from: http://www.sherpa.ac.uk/romeo/issn/0953-816X/ |
en |
dc.rights.uri |
https://researchspace.auckland.ac.nz/docs/uoa-docs/rights.htm |
en |
dc.subject |
Adaptation, Physiological |
en |
dc.subject |
Adult |
en |
dc.subject |
Aged |
en |
dc.subject |
Aged, 80 and over |
en |
dc.subject |
Cohort Studies |
en |
dc.subject |
Female |
en |
dc.subject |
Humans |
en |
dc.subject |
Leg |
en |
dc.subject |
Lower Extremity |
en |
dc.subject |
Male |
en |
dc.subject |
Middle Aged |
en |
dc.subject |
Motor Cortex |
en |
dc.subject |
Neural Pathways |
en |
dc.subject |
Stroke |
en |
dc.title |
A paradox: after stroke, the non-lesioned lower limb motor cortex may be maladaptive. |
en |
dc.type |
Journal Article |
en |
dc.identifier.doi |
10.1111/j.1460-9568.2010.07364.x |
en |
pubs.issue |
6 |
en |
pubs.begin-page |
1032 |
en |
pubs.volume |
32 |
en |
dc.rights.holder |
Copyright: Wiley-Blackwell Publishing Ltd. |
en |
dc.identifier.pmid |
20722719 |
en |
pubs.end-page |
1039 |
en |
dc.rights.accessrights |
http://purl.org/eprint/accessRights/RestrictedAccess |
en |
pubs.subtype |
Article |
en |
pubs.elements-id |
242232 |
en |
pubs.org-id |
Science |
en |
pubs.org-id |
Exercise Sciences |
en |
dc.identifier.eissn |
1460-9568 |
en |
dc.identifier.pii |
EJN7364 |
en |
pubs.record-created-at-source-date |
2012-02-22 |
en |
pubs.dimensions-id |
20722719 |
en |