The Effect of Transcranial Direct Current Stimulation (tDCS) Over Human Motor Function

2016 ◽  
pp. 478-494 ◽  
Author(s):  
Cristian Pérez-Fernández ◽  
Ana Sánchez-Kuhn ◽  
Rosa Cánovas ◽  
Pilar Flores ◽  
Fernando Sánchez-Santed
Keyword(s):  
Motor Function ◽  
Direct Current ◽  
Transcranial Direct Current Stimulation ◽  
Direct Current Stimulation ◽  
Human Motor

scholarly journals Tagging motor memories with transcranial direct current stimulation allows later artificially-controlled retrieval

eLife ◽  
2016 ◽  
Vol 5 ◽  
Author(s):  
Daichi Nozaki ◽  
Atsushi Yokoi ◽  
Takahiro Kimura ◽  
Masaya Hirashima ◽  
Jean-Jacques Orban de Xivry
Keyword(s):  
Direct Current ◽  
Sensorimotor Cortex ◽  
Transcranial Direct Current Stimulation ◽  
Background Activity ◽  
Training Session ◽  
Motor Memory ◽  
Activity Levels ◽  
Direct Current Stimulation ◽  
Cathodal Tdcs ◽  
Human Motor

We demonstrate that human motor memories can be artificially tagged and later retrieved by noninvasive transcranial direct current stimulation (tDCS). Participants learned to adapt reaching movements to two conflicting dynamical environments that were each associated with a different tDCS polarity (anodal or cathodal tDCS) on the sensorimotor cortex. That is, we sought to determine whether divergent background activity levels within the sensorimotor cortex (anodal: higher activity; cathodal: lower activity) give rise to distinct motor memories. After a training session, application of each tDCS polarity automatically resulted in the retrieval of the motor memory corresponding to that polarity. These results reveal that artificial modulation of neural activity in the sensorimotor cortex through tDCS can act as a context for the formation and recollection of motor memories.

Modulating parameters of excitability during and after transcranial direct current stimulation of the human motor cortex

2007 ◽  
Vol 118 (4) ◽  
pp. e79-e80 ◽  
Author(s):  
M.A. Nitsche ◽  
A. Seeber ◽  
K. Frommann ◽  
C. Klein ◽  
C. Rochford ◽  
...  
Keyword(s):  
Motor Cortex ◽  
Direct Current ◽  
Transcranial Direct Current Stimulation ◽  
Human Motor Cortex ◽  
Direct Current Stimulation ◽  
Human Motor ◽  
Stimulation Of

scholarly journals Constraint-Induced Movement Therapy Combined with Transcranial Direct Current Stimulation over Premotor Cortex Improves Motor Function in Severe Stroke: A Pilot Randomized Controlled Trial

2017 ◽  
Vol 2017 ◽  
pp. 1-9 ◽  
Author(s):  
Suellen M. Andrade ◽  
Larissa M. Batista ◽  
Lídia L. R. F. Nogueira ◽  
Eliane A. de Oliveira ◽  
Antonio G. C. de Carvalho ◽  
...  
Keyword(s):  
Motor Function ◽  
Direct Current ◽  
Transcranial Direct Current Stimulation ◽  
Therapy Group ◽  
Premotor Cortex ◽  
Movement Therapy ◽  
Functional Independence ◽  
Direct Current Stimulation ◽  
Constraint Induced Movement Therapy ◽  
Anodal Stimulation

Objective.We compared the effects of transcranial direct current stimulation at different cortical sites (premotor and motor primary cortex) combined with constraint-induced movement therapy for treatment of stroke patients.Design.Sixty patients were randomly distributed into 3 groups: Group A, anodal stimulation on premotor cortex and constraint-induced movement therapy; Group B, anodal stimulation on primary motor cortex and constraint-induced movement therapy; Group C, sham stimulation and constraint-induced movement therapy. Evaluations involved analysis of functional independence, motor recovery, spasticity, gross motor function, and muscle strength.Results.A significant improvement in primary outcome (functional independence) after treatment in the premotor group followed by primary motor group and sham group was observed. The same pattern of improvement was highlighted among all secondary outcome measures regarding the superior performance of the premotor group over primary motor and sham groups.Conclusions.Premotor cortex can contribute to motor function in patients with severe functional disabilities in early stages of stroke. This study was registered in ClinicalTrials.gov database (NCT 02628561).

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