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Cerebellar Transcranial Direct Current Stimulation Effects on Saccade Adaptation
Joint Authors
Frens, Maarten A.
van der Geest, Jos N.
Avila, Eric
Kengne Kamga, Sandra
Verhage, M. Claire
Donchin, Opher
Source
Issue
Vol. 2015, Issue 2015 (31 Dec. 2015), pp.1-9, 9 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2015-03-02
Country of Publication
Egypt
No. of Pages
9
Main Subjects
Abstract EN
Saccade adaptation is a cerebellar-mediated type of motor learning in which the oculomotor system is exposed to repetitive errors.
Different types of saccade adaptations are thought to involve distinct underlying cerebellar mechanisms.
Transcranial direct current stimulation (tDCS) induces changes in neuronal excitability in a polarity-specific manner and offers a modulatory, noninvasive, functional insight into the learning aspects of different brain regions.
We aimed to modulate the cerebellar influence on saccade gains during adaptation using tDCS.
Subjects performed an inward (n=10) or outward (n=10) saccade adaptation experiment (25% intrasaccadic target step) while receiving 1.5 mA of anodal cerebellar tDCS delivered by a small contact electrode.
Compared to sham stimulation, tDCS increased learning of saccadic inward adaptation but did not affect learning of outward adaptation.
This may imply that plasticity mechanisms in the cerebellum are different between inward and outward adaptation.
TDCS could have influenced specific cerebellar areas that contribute to inward but not outward adaptation.
We conclude that tDCS can be used as a neuromodulatory technique to alter cerebellar oculomotor output, arguably by engaging wider cerebellar areas and increasing the available resources for learning.
American Psychological Association (APA)
Avila, Eric& van der Geest, Jos N.& Kengne Kamga, Sandra& Verhage, M. Claire& Donchin, Opher& Frens, Maarten A.. 2015. Cerebellar Transcranial Direct Current Stimulation Effects on Saccade Adaptation. Neural Plasticity،Vol. 2015, no. 2015, pp.1-9.
https://search.emarefa.net/detail/BIM-1075432
Modern Language Association (MLA)
Avila, Eric…[et al.]. Cerebellar Transcranial Direct Current Stimulation Effects on Saccade Adaptation. Neural Plasticity No. 2015 (2015), pp.1-9.
https://search.emarefa.net/detail/BIM-1075432
American Medical Association (AMA)
Avila, Eric& van der Geest, Jos N.& Kengne Kamga, Sandra& Verhage, M. Claire& Donchin, Opher& Frens, Maarten A.. Cerebellar Transcranial Direct Current Stimulation Effects on Saccade Adaptation. Neural Plasticity. 2015. Vol. 2015, no. 2015, pp.1-9.
https://search.emarefa.net/detail/BIM-1075432
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1075432