There were no observed main effects of hemisphere ( F 1,56 = 0.88, p = .35, partial η 2 = 0.02) or DAT group ( F 1,56 = 0.44, p = .51, partial η 2 = 0.01), and all possible interactions between hemisphere, condition, and DAT group (hemisphere × DAT group; condition × DAT group; hemisphere × condition; hemisphere × condition × DAT group) failed to reach significance. 3.3 Effects of DAT polymorphism on oscillatory power during item memory Postcomponent clustering, three distinct component clusters located in the midparietal region (40 participants, 80 independent components), midfrontal region (40 participants, 90 independent components), and left parietal region (34 participants, 57 independent components) displayed significant differences in oscillatory activity as a function of the DAT gene.
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Individual differences in EEG correlates of recognition memory due to DAT polymorphisms.
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