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Journal of Neural Transmission

Erschienen in:

01.09.2009 | Movement Disorders - Original Article

Functional MRI in the assessment of cortical activation during gait-related imaginary tasks

verfasst von: JiunJie Wang, YauYau Wai, YiHsin Weng, KoonKwan Ng, Ying-Zu Huang, Leslie Ying, HaoLi Liu, ChiHong Wang

Erschienen in: Journal of Neural Transmission | Ausgabe 9/2009

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Abstract

Imaginary tasks can be used to investigate the neurophysiology of gait. In this study, we explored the cortical control of gait-related imagery in 21 healthy volunteers using functional magnetic resonance imaging. Imaginary tasks included gait initiation, stepping over an obstacle, and gait termination. Subjects watched a video clip that showed an actor in gait motion under an event-related design. We detected activation in the supplementary motor area during major gait-related imagery tasks, and especially during gait initiation. During gait termination and stepping over an obstacle, the amount of cortical resources allocated to the imaginary tasks included a large visuomotor network comprising the dorsal and ventral premotor areas. We conclude that our paradigm to study the cortical control of gait may help in elucidating the pathophysiology of higher-level gait disorders.

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Titel: Functional MRI in the assessment of cortical activation during gait-related imaginary tasks
verfasst von: JiunJie Wang
YauYau Wai
YiHsin Weng
KoonKwan Ng
Ying-Zu Huang
Leslie Ying
HaoLi Liu
ChiHong Wang
Publikationsdatum: 01.09.2009
Verlag: Springer Vienna
Erschienen in: Journal of Neural Transmission / Ausgabe 9/2009
Print ISSN: 0300-9564
Elektronische ISSN: 1435-1463
DOI: https://doi.org/10.1007/s00702-009-0269-y

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