Does hemispheric lateralization influence therapeutic effects of transcranial direct current stimulation?

Abstract:

:This study investigated the effect of transcranial direct current stimulation (tDCS) polarity depending on lateralized function of task property in normal individuals performing visuomotor and simple repetitive tasks. Thirty healthy participants with no neurological disorders were recruited to participate in this study. Participants were randomly allocated into active or control condition. For the active condition, tDCS intensity was 2 mA with stimulation applied for 15 minutes to the right hemisphere (tDCS condition). For the sham control, electrodes were placed in the same position, but the stimulator was turned off after 30 seconds (sham condition). The tapping and tracking task tests were performed before and after for both conditions. Univariate analysis revealed significant difference only in the tracking task. For direct comparison of both tasks within each group, the tracking task had significantly higher Z score than the tapping task in the tDCS group (P < 0.05). Thus, our study indicates that stimulation of the right hemisphere using tDCS can effectively improve visuomotor (tracking) task over simple repetitive (tapping) task.

journal_name

Neural Regen Res

authors

Kwon YH,Kang KW,Lee NK,Son SM

doi

10.4103/1673-5374.175057

subject

Has Abstract

pub_date

2016-01-01 00:00:00

pages

126-9

issue

1

eissn

1673-5374

issn

1876-7958

pii

NRR-11-126

journal_volume

11

pub_type

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