Schroeder, Philipp A.;
Artemenko, Christina;
Cipora, Krzysztof;
Svaldi, Jennifer
Regional specificity of cathodal transcranial direct current stimulation (tDCS) effects on spatial‐numerical associations: Comparison of four stimulation sites
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Media type:
E-Article
Title:
Regional specificity of cathodal transcranial direct current stimulation (tDCS) effects on spatial‐numerical associations: Comparison of four stimulation sites
Contributor:
Schroeder, Philipp A.;
Artemenko, Christina;
Cipora, Krzysztof;
Svaldi, Jennifer
Published:
Wiley, 2020
Published in:
Journal of Neuroscience Research, 98 (2020) 4, Seite 655-667
Language:
English
DOI:
10.1002/jnr.24559
ISSN:
0360-4012;
1097-4547
Origination:
Footnote:
Description:
AbstractBased on a theory of impulsive and reflective human behavior, we test the effects of transcranial direct current stimulation (tDCS) targeting either prefrontal or parietal cortex in either hemisphere. In a confirmatory registered report, cathodal tDCS is administered to conceptually reproduce tDCS modulations of implicit spatial‐numerical associations, numerical distance effects, and response inhibition. Those cognitive operations are hypothesized to draw on left prefrontal, parietal, and right prefrontal activations, respectively, thereby susceptible to inhibitory, cathodal tDCS across those regions. Vice versa, the mutual regional and behavioral specificity of tDCS effects on these behavioral indices is examined and expected to produce double dissociations. In a mixed within‐subjects (baseline, during tDCS, post‐tDCS) and between‐subjects (target electrode: left/right prefrontal cortex/posterior parietal cortex, or sham tDCS) design, we collect (a) confirmatory data on the robustness of cathodal tDCS effects on three behavioral effects and (b) differential data on the specificity of regional targets in male and female human participants. Results will provide crucial tests of theories of cortical organization implied by implicit associations and explicit regulation, which can direct future brain stimulation studies.