@misc{oai:niigata-u.repo.nii.ac.jp:00005398, author = {倉部, 聡}, month = {Mar}, note = {Acute deprivation of unilateral sensory input rapidly enhances contralateral hand motor function, but the underlying mechanisms remain poorly understood. We herein used fMRI to evaluate, in thirteen healthy subjects, motor cortical activation for right finger motion before, during, and after sensory deprivation of left forearm induced by reversible, noninvasive ischemic nerve block (INB). Before INB, the motor task activated the left primary sensorimotor cortex (SM1) as expected. During INB, the volume of the left SM1 activation significantly increased, and, after INB, it returned to the pre-INB, baseline level. These findings demonstrate that acute deafferentation of unilateral forearm causes rapid and reversible changes in the neural substrates for contralateral finger motion, mediated possibly by attenuation of transcallosal inter-hemispheric inhibition., 学位の種類: 博士(医学). 報告番号: 甲第3836号. 学位記番号: 新大院博(医)甲第576号. 学位授与年月日: 平成26年3月24日, 新大院博(医)甲第576号}, title = {fMRIを用いた求心路遮断下に生じる感覚運動野皮質活動の急性変化についての検討}, year = {2014} }