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https://hdl.handle.net/2440/120530
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Type: | Journal article |
Title: | Use of theta-burst stimulation in changing excitability of motor cortex: a systematic review and meta-analysis |
Author: | Chung, S.W. Hill, A.T. Rogasch, N.C. Hoy, K.E. Fitzgerald, P.B. |
Citation: | Neuroscience and Biobehavioral Reviews, 2016; 63:43-64 |
Publisher: | Elsevier |
Issue Date: | 2016 |
ISSN: | 0149-7634 1873-7528 |
Statement of Responsibility: | Sung Wook Chung, Aron T. Hill, Nigel C. Rogasch, Kate E. Hoy, Paul B. Fitzgerald |
Abstract: | Noninvasive brain stimulation has been demonstrated to modulate cortical activity in humans. In particular, theta burst stimulation (TBS) has gained notable attention due to its ability to induce lasting physiological changes after short stimulation durations. The present study aimed to provide a comprehensive meta-analytic review of the efficacy of two TBS paradigms; intermittent (iTBS) and continuous (cTBS), on corticospinal excitability in healthy individuals. Literature searches yielded a total of 87 studies adhering to the inclusion criteria. iTBS yielded moderately large MEP increases lasting up to 30 min with a pooled SMD of 0.71 (p<0.00001). cTBS produced a reduction in MEP amplitudes lasting up to 60 min, with the largest effect size seen at 5 min post stimulation (SMD=-0.9, P<0.00001). The collected studies were of heterogeneous nature, and a series of tests conducted indicated a degree of publication bias. No significant change in SICI and ICF was observed, with exception to decrease in SICI with cTBS at the early time point (SMD=0.42, P=0.00036). The results also highlight several factors contributing to TBS efficacy, including the number of pulses, frequency of stimulation and BDNF polymorphisms. Further research investigating optimal TBS stimulation parameters, particularly for iTBS, is needed in order for these paradigms to be successfully translated into clinical settings. |
Keywords: | Theta-burst stimulation (TBS); transcranial magnetic stimulation (TMS); motor cortex; motor-evoked potentials (MEPs); cortical excitability; neuromodulation |
Rights: | © 2016 Elsevier Ltd. All rights reserved. |
DOI: | 10.1016/j.neubiorev.2016.01.008 |
Grant ID: | http://purl.org/au-research/grants/nhmrc/1072057 http://purl.org/au-research/grants/nhmrc/1082894 http://purl.org/au-research/grants/nhmrc/606907 |
Published version: | http://dx.doi.org/10.1016/j.neubiorev.2016.01.008 |
Appears in Collections: | Aurora harvest 4 Medicine publications |
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