Tremor suppression by rhythmic transcranial current stimulation.
Tremor suppression by rhythmic transcranial current stimulation.
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DOI:
10.1016/j.cub.2013.01.068
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发表时间:
2013-03-04
期刊:
影响因子:
9.2
通讯作者:
Brown, Peter
中科院分区:
文献类型:
--
作者:
Brittain, John-Stuart;Probert-Smith, Penny;Aziz, Tipu Z.;Brown, Peter
Tremor can dominate Parkinson’s disease and yet responds less well to dopaminergic medications than do other cardinal symptoms of this condition. Deep brain stimulation can provide striking tremor relief, but the introduction of stimulating electrodes deep in the substance of the brain carries significant risks, including those of hemorrhage. Here, we pioneer an alternative approach in which we noninvasively apply transcranial alternating current stimulation (TACS) over the motor cortex to induce phase cancellation of the rest tremor rhythm. We first identify the timing of cortical oscillations responsible for rest tremor in the periphery by delivering tremor-frequency stimulation over motor cortex but do not couple this stimulation to the on-going tremor—instead, the rhythms simply “drift” in and out of phase alignment with one another. Slow alternating periods of phase cancellation and reinforcement result, informing on the phase alignments that induce the greatest change in tremor amplitude. Next, we deliver stimulation at these specified phase alignments to demonstrate controlled suppression of the on-going tremor. With this technique we can achieve almost 50% average reduction in resting tremor amplitude and in so doing form the basis of a closed-loop tremor-suppression therapy that could be extended to other oscillopathies. ► Phase-cancelling cortical stimulation attenuates Parkinsonian tremor ► Prolonged stimulation may invoke adaptive mechanisms ► Phase cancellation may provide a generic treatment approach to oscillopathies ► TACS provides a convenient probe of cortical circuit dynamics in humans
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影响因子:
9.2
作者:
Joundi, Raed A.;Jenkinson, Ned;Brittain, John-Stuart;Aziz, Tipu Z.;Brown, Peter
通讯作者:
Brown, Peter
DOI:
10.1523/jneurosci.5252-09.2010
发表时间:
2010-08-25
期刊:
The Journal of neuroscience : the official journal of the Society for Neuroscience
影响因子:
--
作者:
Ozen S;Sirota A;Belluscio MA;Anastassiou CA;Stark E;Koch C;Buzsáki G
通讯作者:
Buzsáki G
影响因子:
64.8
作者:
Marshall, Lisa;Helgadottir, Halla;Born, Jan
通讯作者:
Born, Jan
DOI:
10.1093/brain/aws023
发表时间:
2012-11
期刊:
Brain : a journal of neurology
影响因子:
--
作者:
Helmich RC;Hallett M;Deuschl G;Toni I;Bloem BR
通讯作者:
Bloem BR
影响因子:
14.5
作者:
Timmermann, L;Gross, J;Schnitzler, A
通讯作者:
Schnitzler, A