6-Hz primed low-frequency rTMS to contralesional M1 in two cases with middle cerebral artery stroke

James R Carey, David C Anderson, Bernadette T Gillick, Maureen Whitford, Alvaro Pascual-Leone

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21 Scopus citations


This case study contrasted two subjects with stroke who received 6-Hz primed low-frequency repetitive transcranial magnetic stimulation (rTMS) to the contralesional primary motor area (M1) to disinhibit ipsilesional M1. Functional magnetic resonance imaging (fMRI) showed that the intervention disrupted cortical activation at contralesional M1. Subject 1 showed decreased intracortical inhibition and increased intracortical facilitation following intervention during paired-pulse TMS testing of ipsilesional M1. Subject 2, whose precentral knob was totally obliterated and who did not show an ipsilesional motor evoked potential at pretest, still did not show any at posttest; however, her fMRI did show a large increase in peri-infarct zone cortical activation. Behavioral results were mixed, indicating the need for accompanying behavioral training to capitalize on the brain organization changes induced with rTMS.

Original languageEnglish (US)
Pages (from-to)338-342
Number of pages5
JournalNeuroscience Letters
Issue number3
StatePublished - Jan 29 2010

Bibliographical note

Funding Information:
This project was funded by the NIH (National Institute of Child Health and Human Development 1R01HD053153 and the National Center for Research Resources P41 RR008079 and M01-RR00400)). NIH grant K24 RR018875 supported in part Dr. Pascual-Leone's participation in the study.


  • Hand
  • Stroke
  • fMRI
  • rTMS


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