Transcranial direct current stimulation (tDCS) facilitates overall visual search response times but does not interact with visual search task factors.

PLoS One · 2018 · PMC5860774 · PMID 29558513

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a small trendno p-value reported

Although the RT change between Test 1 and Test 2 of the S-C session was not statistically significant, there did seem to be a small trend: the change in RT (10.0 ms) of the S-C session was slightly greater than that of the S-S session (6.2 ms).

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a nonsignificant trendno p-value reported

In Experiment 1 (n = 12), anodal tDCS improved RTs significantly; cathodal tDCS produced a nonsignificant trend toward improvement.

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