An fMRI Study of the Differences in Brain Activity During Active Ankle Dorsiflexion and Plantarflexion
作者： Jonathan P. Trinastic , Steven A. Kautz , Keith McGregor , Chris Gregory , Mark Bowden
DOI: 10.1007/S11682-010-9091-2
关键词:
摘要: Little is known regarding the differences in active cortical and subcortical systems during opposing movements of an agonist-antagonist muscle group. The objective this study was to characterize activation ankle dorsiflexion plantarflexion using functional MRI (fMRI). Eight right-handed healthy adults performed auditorily cued right dorsiflexions plantarflexions fMRI. Differences activity patterns between fMRI were assessed between- within-subject voxel-wise t-tests. Results indicated that recruited significantly more regions left M1, supplementary motor area (SMA) bilaterally, cerebellum. Both activated similar hemisphere putamen thalamus. Dorsiflexion additional areas putamen. suggest may be controlled by both shared independent neural circuitry. This has important implications for investigations gait pathology how rehabilitation differentially affect each movement.
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