Boosting Slow Oscillatory Activity Using tDCS during Early Nocturnal Slow Wave Sleep Does Not Improve Memory Consolidation in Healthy Older Adults

Highlights • Night-time so-tDCS enhanced slow wave and spindle activity following stimulation. • But so-tDCS decreased sleep stage 4 in older healthy subjects. • So-tDCS did not result in an improvement of declarative memory. • Future studies should focus on age-adjusted stimulation protocols....

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