The DOI matches its Crossref record; 24 of the 24 references it cites were found in a registry or an index.
Decreased corticospinal excitability after subthreshold 1 Hz rTMS over lateral premotor cortex
Abstract
OBJECTIVE: To study whether trains of subthreshold 1 Hz repetitive transcranial magnetic stimulation (rTMS) over premotor, prefrontal, or parietal cortex can produce changes in excitability of motor cortex that outlast the application of the train. BACKGROUND: Prolonged 1 Hz rTMS over the motor cortex can suppress the amplitude of motor-evoked potentials (MEP) for several minutes after the end of the train. Because TMS can produce effects not only at the site of stimulation but also at distant sites to which it projects, the authors asked whether prolonged stimulation of sites distant but connected to motor cortex can also lead to lasting changes in MEP. METHODS: Eight subjects received 1500 magnetic stimuli given at 1 Hz over the left lateral frontal cortex, the left lateral premotor cortex, the hand area of the left motor cortex, and the left anterior parietal cortex on four separate days. Stimulus intensity was set at 90% active motor threshold. Corticospinal excitability was probed by measuring the amplitude of MEP evoked in the right first dorsal interosseous muscle by single suprathreshold stimuli over the left motor hand area before, during, and after the conditioning trains. RESULTS: rTMS over the left premotor cortex suppressed the amplitude of MEP in the right first dorsal interosseous muscle. The effect was maximized (approximately 50% suppression) after 900 pulses and outlasted the full train of 1500 stimuli for at least 15 minutes. Conditioning rTMS over the other sites did not modify the size of MEP. A control experiment showed that left premotor cortex conditioning had no effect on MEP evoked in the left first dorsal interosseous muscle. CONCLUSIONS: Subthreshold 1 Hz rTMS of the left premotor cortex induces a short-lasting inhibition of corticospinal excitability in the hand area of the ipsilateral motor cortex. This may provide a model for studying the functional interaction between premotor and motor cortex in healthy subjects and patients with movement disorders.
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Cites
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Depression of motor cortex excitability by low-frequency transcranial magnetic stimulation
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Self-citationResponses to rapid-rate transcranial magnetic stimulation of the human motor cortex
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The origin of corticospinal projections from the premotor areas in the frontal lobe
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Study and Modulation of Human Cortical Excitability With Transcranial Magnetic Stimulation
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Self-citationModulation of corticospinal excitability by repetitive transcranial magnetic stimulation
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Cited by
Rossi, S., Hallett, M., Rossini, P. M., & Pascual-Leone, A. (2009) · Clinical Neurophysiology · doi:10.1016/j.clinph.2009.08.016 · Cited by 5,367
Lefaucheur, J.-P., André-Obadia, N., Antal, A., Ayache, S. S., Baeken, C., Benninger, D. H., Cantello, R. M., Cincotta, M., de Carvalho, M., De Ridder, D., et al. (2014) · Clinical Neurophysiology · doi:10.1016/j.clinph.2014.05.021 · Cited by 2,119
Self-citationInhibition and impulsivity: behavioral and neural basis of response control
Bari, A., & Robbins, T. W. (2013) · Progress in Neurobiology · doi:10.1016/j.pneurobio.2013.06.005 · Cited by 1,921
Consensus: Motor cortex plasticity protocols
Ziemann, U., Paulus, W., Nitsche, M. A., Pascual-Leone, A., Byblow, W. D., Berardelli, A., Siebner, H. R., Classen, J., Cohen, L. G., & Rothwell, J. C. (2008) · Brain Stimulation · doi:10.1016/j.brs.2008.06.006 · Cited by 639
Self-citationReis, J., Swayne, O. B., Vandermeeren, Y., Camus, M., Dimyan, M. A., Harris‐Love, M., Perez, M. A., Ragert, P., Rothwell, J. C., & Cohen, L. G. (2008) · The Journal of Physiology · doi:10.1113/jphysiol.2007.144824 · Cited by 583
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Metadata
- Authors
- Gerschlager, W., Siebner, H. R., & Rothwell, J. C.
- Venue
- Neurology
- Published
- 2001-08-14
- Volume
- 57
- Issue
- 3
- Pages
- 449-455
- ISSN
- 0028-3878 (ISSN-L)
- 1526-632X
- OpenAlex
- W2081169891
- Cited by
- 360
- References
- 24
- FWCI
- 14.22
- Type
- journal article
- Language
- en
- Open access
- closed
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