| Title |
Both 50 and 30 Hz continuous theta burst transcranial magnetic stimulation depresses the cerebellum
|
|---|---|
| Published in |
The Cerebellum, August 2018
|
| DOI | 10.1007/s12311-018-0971-0 |
| Pubmed ID | |
| Authors |
Nicholas D. J. Strzalkowski, Aaron D. Chau, Liu Shi Gan, Zelma H. T. Kiss |
| Abstract |
The cerebellum is implicated in the pathophysiology of numerous movement disorders, which makes it an attractive target for noninvasive neurostimulation. Continuous theta burst stimulation (cTBS) can induce long lasting plastic changes in human brain; however, the efficacy of different simulation protocols has not been investigated at the cerebellum. Here, we compare a traditional 50-Hz and a modified 30-Hz cTBS protocols at modulating cerebellar activity in healthy subjects. Seventeen healthy adults participated in two testing sessions where they received either 50-Hz (cTBS50) or 30-Hz (cTBS30) cerebellar cTBS. Cerebellar brain inhibition (CBI), a measure of cerebello-thalamocortical pathway strength, and motor evoked potentials (MEP) were measured in the dominant first dorsal interosseous muscle before and after (up to ~ 40 min) cerebellar cTBS. Both cTBS protocols induced cerebellar depression, indicated by significant reductions in CBI (P < 0.001). No differences were found between protocols (cTBS50 and cTBS30) at any time point (P = 0.983). MEP amplitudes were not significantly different following either cTBS protocol (P = 0.130). The findings show cerebellar excitability to be equally depressed by 50-Hz and 30-Hz cTBS in heathy adults and support future work to explore the efficacy of different cerebellar cTBS protocols in movement disorder patients where cerebellar depression could provide therapeutic benefits. |
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| Country | Count | As % |
|---|---|---|
| Unknown | 1 | 100% |
Demographic breakdown
| Type | Count | As % |
|---|---|---|
| Members of the public | 1 | 100% |
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| Country | Count | As % |
|---|---|---|
| Unknown | 60 | 100% |
Demographic breakdown
| Readers by professional status | Count | As % |
|---|---|---|
| Student > Bachelor | 12 | 20% |
| Researcher | 9 | 15% |
| Student > Doctoral Student | 5 | 8% |
| Lecturer | 2 | 3% |
| Student > Ph. D. Student | 2 | 3% |
| Other | 7 | 12% |
| Unknown | 23 | 38% |
| Readers by discipline | Count | As % |
|---|---|---|
| Medicine and Dentistry | 10 | 17% |
| Neuroscience | 7 | 12% |
| Engineering | 3 | 5% |
| Sports and Recreations | 3 | 5% |
| Psychology | 2 | 3% |
| Other | 9 | 15% |
| Unknown | 26 | 43% |
Attention Score in Context
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#21,476,880
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#889
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Outputs of similar age from The Cerebellum
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