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Changes in hemodynamic responses in chronic stroke survivors do not affect fMRI signal detection in a block experimental design |
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| Authors: | Nutta-on Promjunyakul Brian D Schmit Sheila Schindler-Ivens |
| Institution: | 1. Department of Physical Therapy, Marquette University, PO Box 1881, Milwaukee, WI 53201–1881, USA;2. Department of Biomedical Engineering, Marquette University, PO Box 1881, Milwaukee, WI 53201–1881, USA;3. Department of Physical Medicine and Rehabilitation, Medical College of Wisconsin, Milwaukee, WI 53226, USA;4. Clinical and Translational Science Institute of Southeastern Wisconsin, Medical College of Wisconsin, Milwaukee, WI 53226, USA |
| Abstract: | |
| Keywords: | AFNI analysis of function images software BOLD blood oxygen level-dependent C control fMRI functional magnetic resonance imaging HDR hemodynamic responses L left M1 primary motor cortex MANOVA multivariate analysis of variance MEG magnetoencephalography PEAK peak amplitude R right S1 primary sensory cortex SD standard deviation SMC sensorimotor cortex ST stroke STc stroke cortical STsc stroke subcortical STtot entire sample of stroke survivors TTP time to peak VOL volume W rate of change of amplitude |
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