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Cited by 243

The DOI matches its Crossref record; 8 of the 8 references it cites were found in a registry or an index.

Frequency-Dependent Tuning of the Human Motor System Induced by Transcranial Oscillatory Potentials

Open access
Feurra, Matteo, Bianco, Giovanni, Santarnecchi, Emiliano, Del Testa, Massimiliano, Rossi, Alessandro, Rossi, Simone·2011·The Journal of Neuroscience

Abstract

Different corticothalamic brain modules intrinsically oscillate at a “natural frequency” in a topographically organized manner. In “quiescent” human sensorimotor regions, the main detectable oscillatory activity peaks at ∼20 Hz, and partly contributes to determine the state of corticospinal excitability. Here, we showed that the transcranial application of an imperceptible, short-lasting (90 s) electric field oscillating at a physiological range increases corticospinal excitability online, with well defined frequency dependence and regional specificity. Indeed, the size of motor evoked potentials (MEPs) induced by navigated single-pulse TMS over the motor cortex significantly increased only during the local application of transcranial alternating current stimulation (tACS) at 20 Hz (β range). Other tACS frequencies (5, 10, and 40 Hz) applied on the motor cortex did not impact MEPs' size. Moreover, tACS applied on a control site (parietal cortex) and on a peripheral site (ulnar nerve) also failed to modulate MEPs. These results help clarifying the functional significance of the 20 Hz idling β rhythm of sensorimotor regions and suggest potential clinical applications of this approach.

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Metadata

Authors
Feurra, M., Bianco, G., Santarnecchi, E., Del Testa, M., Rossi, A., & Rossi, S.
Venue
The Journal of Neuroscience
Published
2011-08-24
Volume
31
Issue
34
Pages
12165-12170
ISSN
  • 0270-6474 (ISSN-L)
  • 1529-2401
OpenAlex
W2161470754
Cited by
243
References
8
FWCI
7.63
Type
journal article
Language
en
Open access
hybrid

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Feurra, M., Bianco, G., Santarnecchi, E., Del Testa, M., Rossi, A., & Rossi, S. (2011). Frequency-Dependent Tuning of the Human Motor System Induced by Transcranial Oscillatory Potentials. The Journal of Neuroscience. https://doi.org/10.1523/jneurosci.0978-11.2011

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