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- W2929628437 startingPage "603985" @default.
- W2929628437 abstract "Computerized cognitive training (CCT) combined with transcranial direct current stimulation (tDCS) has showed some promise in alleviating cognitive impairments in patients with brain disorders, but the robustness and possible mechanisms are unclear. In this prospective double-blind randomized clinical trial we investigated the feasibility and effectiveness of combining CCT and tDCS, and tested the predictive value of and training-related changes in fMRI-based brain activation during attentive performance (multiple object tracking) obtained before, during and after the three-weeks intervention. Patients were randomized to one of two groups, receiving CCT and either (1) tDCS targeting left dorsolateral prefrontal cortex (1 mA), or (2) sham tDCS, with 40s active stimulation (1 mA) before fade out of the current. 77 patients were enrolled in the study, 54 completed the cognitive training, and 51 completed all training and MRI sessions. We found significant improvement in performance across all trained tasks, but no additional gain of tDCS. fMRI-based brain activation showed high reliability, and higher cognitive performance was associated with increased tracking-related activation in the anterior cingulate after compared to before the intervention. We found no significant associations between cognitive gain and brain activation measured before training or in the difference in activation after intervention. Combined, these results show significant training effects on cognitive tasks in stroke survivors, with no clear evidence of additional gain of concurrent tDCS." @default.
- W2929628437 created "2019-04-11" @default.
- W2929628437 creator A5009447451 @default.
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- W2929628437 date "2019-04-09" @default.
- W2929628437 modified "2023-09-23" @default.
- W2929628437 title "A randomized, double blind study of computerized cognitive training in combination with transcranial direct current stimulation (tDCS) in stroke patients – utility of fMRI as marker for training outcome" @default.
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