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

@article{citeulike:5436329, abstract = {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.}, author = {Wang, JiunJie and Wai, YauYau and Weng, YiHsin and Ng, KoonKwan and Huang, Ying-Zu and Ying, Leslie and Liu, HaoLi and Wang, ChiHong}, citeulike-article-id = {5436329}, citeulike-linkout-0 = {http://dx.doi.org/10.1007/s00702-009-0269-y}, citeulike-linkout-1 = {http://www.springerlink.com/content/nl276q926l3311t2}, day = {1}, doi = {10.1007/s00702-009-0269-y}, journal = {Journal of Neural Transmission}, keywords = {fmri, gait, imagery}, month = {September}, number = {9}, pages = {1087--1092}, posted-at = {2009-09-17 11:20:24}, priority = {2}, title = {Functional MRI in the assessment of cortical activation during gait-related imaginary tasks}, url = {http://dx.doi.org/10.1007/s00702-009-0269-y}, volume = {116}, year = {2009} }

TY - JOUR ID - citeulike:5436329 L3 - citeulike-article-id:5436329 N2 - 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. IS - 9 JF - Journal of Neural Transmission EP - 1092 TI - Functional MRI in the assessment of cortical activation during gait-related imaginary tasks VL - 116 SP - 1087 KW - fmri KW - gait KW - imagery AU - Wang, JiunJie AU - Wai, YauYau AU - Weng, YiHsin AU - Ng, KoonKwan AU - Huang, Ying-Zu AU - Ying, Leslie AU - Liu, HaoLi AU - Wang, ChiHong PY - 2009/09/01/ UR - http://dx.doi.org/10.1007/s00702-009-0269-y ER -