Supplementary information

From the following article

Premotor cortex modulates somatosensory cortex during voluntary movements without proprioceptive feedback

Mark Schram Christensen, Jesper Lundbye-Jensen, Svend Sparre Geertsen, Tue Hvass Petersen, Olaf B Paulson & Jens Bo Nielsen

Nature Neuroscience 10, 417 - 419 (2007) Published online: 18 March 2007

doi:10.1038/nn1873

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Supplementary Fig. 1

H-reflex measurements before and after cuff inflation recorded at regular intervals until it disappeared.

Supplementary Fig. 2

Regions depicted in green-yellow display regions that are significantly more activated during INB than in pre, post and post baseline in the control experiment without visual feedback, i.e. the conjunction (C2n>C1n ^ C2n>C3n ^ C2n>C4n) (thresholded at q<0.05 FDR-correction). In red is depicted the regions of vPMC showing more activation in the main experiment during INB.

Supplementary Fig. 3

Regions depicted in green show a higher correlation with the activity in S1 during INB than before INB in the main experiment. Regions depicted in yellow show an effect of cuff inflation before sensory block, i.e. activation related to the extra sensory stimulation that the cuff inflation might cause.

Supplementary Fig. 4

S1 activation decrease during INB with electrical stimulation in two subjects.

Supplementary Fig. 5

Regions showing increased activation during INB compared with the situation before INB, i.e. the contrasts C2>C1, during voluntary movements.

Supplementary Fig. 6

Maximum intensity projections from the control experiment without visual feedback showing regions where there is more activation during INB C2n compared to a – pre INB and b – pre INB with inflated cuff.

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