Effect of tDCS on Fine Motor Control of Patients in Subacute and Chronic Post-Stroke Stages
E L Pavlova1, R V Semenov2, A B Guekht2,3
1Department of Clinical Sciences Karolinska Institute, Danderyd University Hospital, Stockholm, Sweden.
Abstract:
In this study we compared the effects of transcranial direct current stimulation (tDCS) in the subacute and chronic stages of post-stroke recovery. Anodal/sham tDCS was applied to the primary motor cortex of stroke patients in these stages of recovery in a cross-over design. The Jebsen-Taylor hand function test was employed. The repeated-measure ANOVA showed significant influence of the stimulation type and test performance time (during/after tDCS) with no overall influence of recovery stage. The interaction TYPE*TIME*STAGE was significant. The effect after anodal tDCS in the subacute stage was significantly higher compared to the effects in all relevant conditions including the chronic stage. Therefore, tDCS treatment in the subacute stage of recovery can be superior, at least for some patients, to treatment in the chronic stage.
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