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Potentiation of Motor Adaptation Via Cerebellar tACS: Characterization of the Stimulation Frequency

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dc.contributor.authorFigueroa-Taiba, Paulo
dc.contributor.authorÁlvarez-Ruf, Joel
dc.contributor.authorUlloa, Paulette
dc.contributor.authorBruna-Melo, Trinidad
dc.contributor.authorEspinoza-Maraboli, Liam
dc.contributor.authorBurgos, Pablo Ignacio
dc.contributor.authorMariman, Juan J.
dc.date.accessioned2025-08-19T19:58:33Z
dc.date.available2025-08-19T19:58:33Z
dc.date.issued2024
dc.description.abstractMotor adaptation is critical to update motor tasks in new or modified environmental conditions. While the cerebellum supports error-based adaptations, its neural implementation is partially known. By controlling the frequency of cerebellar transcranial alternating current stimulation (c-tACS), we can test the influence of neural oscillation from the cerebellum for motor adaptation. Two independent experiments were conducted. In Experiment 1, 16 participants received four c-tACS protocols (45 Hz, 50 Hz, 55 Hz, and sham) on four different days while they practiced a visuomotor adaptation task (30 degrees CCW) with variable intensity (within-subject design). In Experiment 2, 45 participants separated into three groups received the effect of 45 Hz, 55 Hz c-tACS, and sham, respectively (between-subject design), performing the same visuomotor task with a fixed intensity (0.9 mA). In Experiment 1, 45 Hz and 50 Hz of c-tACS accelerated motor adaptation when participants performed the task only for the first time, independent of the time interval between sessions or the stimulation intensity. The effect of active c-tACS was ratified in Experiment 2, where 45 Hz c-tACS benefits motor adaptation during the complete practice period. Reaction time, velocity, or duration of reaching are not affected by c-tACS. Cerebellar alternating current stimulation is an effective strategy to potentiate visuomotor adaptations. Frequency dependent effects on the gamma band, especially for 45 Hz c-tACS, ratify the oscillatory profile of cerebellar processes behind the motor adaptation. This can be exploited in future interventions to enhance motor learning.
dc.description.versionVersión publicada
dc.format.extent10 p.
dc.identifier.citationFigueroa-Taiba, P., Álvarez-Ruf, J., Ulloa, P. et al. Potentiation of Motor Adaptation Via Cerebellar tACS: Characterization of the Stimulation Frequency. Cerebellum 23, 2487–2496 (2024). https://doi.org/10.1007/s12311-024-01748-0
dc.identifier.doihttps://doi.org/10.1007/s12311-024-01748-0
dc.identifier.urihttps://hdl.handle.net/11447/10183
dc.language.isoen
dc.subjectCerebellum
dc.subjectTranscranial alternating current stimulation
dc.subjectMotor adaptation
dc.subjectMotor learning
dc.subjectFrequency dependent effect
dc.titlePotentiation of Motor Adaptation Via Cerebellar tACS: Characterization of the Stimulation Frequency
dc.typeArticle
dcterms.accessRightsAcceso abierto
dcterms.sourceThe Cerebellum
dspace.entity.typePublication

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