The Infraslow Frequency Oscillatory Transcranial Direct Current Stimulation Over the Left Dorsolateral Prefrontal Cortex Enhances Sustained Attention.

(2018) , for example, observed a marginally significant tDCS effect on sustained attention tasks in older adults.

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The post hoc analysis showed that only the O-tDCS significantly reduced both the mean [ t (20) = −2.939, p = 0.008, Cohen’s d = −1.314 for in-stim, t (20) = −2.672, p = 0.015, Cohen’s d = −1.195 for post-stim] and SD [ t (20) = −4.552, p < 0.001, Cohen’s d = −2.036 for in-stim, t (20) = −3.296, p = 0.004, Cohen’s d = −1.474 for post-stim] of RT, while the C-tDCS reduced the SD [ t (20) = −2.222, p = 0.038, Cohen’s d = −0.994 for in-stim] of RT with marginal significance compared with that in sham.

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