Fig. 2From: IMI2-PainCare-BioPain-RCT3: a randomized, double-blind, placebo-controlled, crossover, multi-center trial in healthy subjects to investigate the effects of lacosamide, pregabalin, and tapentadol on biomarkers of pain processing observed by electroencephalography (EEG)Timeline of the study which includes a screening visit, an optional contact, four study periods separated by at least 1Â week, and a follow-up telephone contactBack to article page