Abstract
We study the effect of inhibitory neuronal processes on cerebral blood oxygenation in humans in a paradigm of transcallosal inhibition elicited by transcranial magnetic stimulation. Through interhemispheric projections the contralateral motor cortex is inhibited in this paradigm. With a 22 channel NIRS cw-system we observe a decrease in oxy- and an increase in deoxyhemoglobin in the motor cortex.
© 2004 Optical Society of America
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