Please use this identifier to cite or link to this item: http://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.
Hill, A.
Rogasch, N.
Hoy, K.
Fitzgerald, P.
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.
RMID: 0030120404
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
Appears in Collections:Medicine publications

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