作者
Christian Gerloff, Khalaf Bushara, Alexandra Sailer, Eric M Wassermann, Robert Chen, Takahiro Matsuoka, Daniel Waldvogel, George F Wittenberg, Kenji Ishii, Leonardo G Cohen, Mark Hallett
发表日期
2006/3/1
期刊
Brain
卷号
129
期号
3
页码范围
791-808
出版商
Oxford University Press
简介
Clinical recovery after stroke can be significant and has been attributed to plastic reorganization and recruitment of novel areas previously not engaged in a given task. As equivocal results have been reported in studies using single imaging or electrophysiological methods, here we applied an integrative multimodal approach to a group of well-recovered chronic stroke patients (n = 11; aged 50–81 years) with left capsular lesions. Focal activation during recovered hand movements was assessed with EEG spectral analysis and H215O-PET with EMG monitoring, cortico–cortical connectivity with EEG coherence analysis (cortico–cortical coherence) and corticospinal connectivity with transcranial magnetic stimulation (TMS). As seen from comparisons with age-matched controls, our patients showed enhanced recruitment of the lateral premotor cortex of the lesioned hemisphere [Brodmann area (BA) 6], lateral …
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