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Impaired hemodynamics and neural activation? A fMRI study of major cerebral artery stenosis

MPS-Authors
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Hund-Georgiadis,  Margret
MPI of Cognitive Neuroscience (Leipzig, -2003), The Prior Institutes, MPI for Human Cognitive and Brain Sciences, Max Planck Society;

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Mildner,  Toralf
MPI of Cognitive Neuroscience (Leipzig, -2003), The Prior Institutes, MPI for Human Cognitive and Brain Sciences, Max Planck Society;

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Weih,  Katrin S.
MPI of Cognitive Neuroscience (Leipzig, -2003), The Prior Institutes, MPI for Human Cognitive and Brain Sciences, Max Planck Society;

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von Cramon,  D. Yves
MPI of Cognitive Neuroscience (Leipzig, -2003), The Prior Institutes, MPI for Human Cognitive and Brain Sciences, Max Planck Society;

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hund_impaired.pdf
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Citation

Hund-Georgiadis, M., Mildner, T., Georgiadis, D., Weih, K. S., & von Cramon, D. Y. (2003). Impaired hemodynamics and neural activation? A fMRI study of major cerebral artery stenosis. Neurology, 61(9), 1276-1279. doi:10.1212/01.WNL.0000092020.78323.5E.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0010-BBCF-4
Abstract
Functional MRI motor mapping was performed in two women with unilateral high-grade stenosis of the middle cerebral artery (MCA) to determine the influence of impaired hemodynamics on the blood oxygenation level dependent (BOLD) response. In both patients no structural lesions were present in primary motor pathways. A redistribution of the motor network to the healthy hemisphere was the main indicator of chronic hemodynamic compromise.