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John L, Küper M, Hulst T, et al. Effects of transcranial direct current stimulation on grip force control in patients with cerebellar degeneration. Cerebellum Ataxias. 2017;4:15doi: 10.1186/s40673-017-0072-8.
John, L., Küper, M., Hulst, T., Timmann, D., & Hermsdörfer, J. (2017). Effects of transcranial direct current stimulation on grip force control in patients with cerebellar degeneration. Cerebellum & ataxias, 415. https://doi.org/10.1186/s40673-017-0072-8
John, Liane, et al. "Effects of transcranial direct current stimulation on grip force control in patients with cerebellar degeneration." Cerebellum & ataxias vol. 4 (2017): 15. doi: https://doi.org/10.1186/s40673-017-0072-8
John L, Küper M, Hulst T, Timmann D, Hermsdörfer J. Effects of transcranial direct current stimulation on grip force control in patients with cerebellar degeneration. Cerebellum Ataxias. 2017 Sep 15;4:15. doi: 10.1186/s40673-017-0072-8. eCollection 2017. PMID: 28932407; PMCID: PMC5603042.
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Cerebellum Ataxias. 2017 Sep 15;4:15. doi: 10.1186/s40673-017-0072-8. eCollection 2017.

Effects of transcranial direct current stimulation on grip force control in patients with cerebellar degeneration.

Cerebellum & ataxias

Liane John, Michael Küper, Thomas Hulst, Dagmar Timmann, Joachim Hermsdörfer

Affiliations

  1. Department of Neurology, University Hospital Essen, University of Duisburg-Essen, Essen, Germany.
  2. Erasmus University College, Rotterdam, The Netherlands.
  3. Department of Sport and Health Sciences, Institute of Movement Science, Technical University of Munich, Munich, Germany.

PMID: 28932407 PMCID: PMC5603042 DOI: 10.1186/s40673-017-0072-8

Abstract

BACKGROUND: The control of grip forces when moving a hand held object is impaired in patients with cerebellar degeneration. We asked the question whether after-effects of anodal transcranial direct current stimulation (tDCS) applied to the lateral cerebellum or M1 improved grip force control in cerebellar patients.

METHODS: Grip force control while holding an object during cyclic arm movements was assessed in patients with pure cerebellar degeneration (

RESULTS: There were no clear after-effects of tDCS on grip force control neither in control participants nor in cerebellar patients. Cerebellar patients showed typical impairments with higher grip forces, a higher variability of movements.

CONCLUSION: In the present study, deficits in grip force control were neither improved by tDCS applied over the cerebellum nor M1 in cerebellar degeneration.

Keywords: After effects; Cerebellum; Direct current; Motorcortex

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