Fig. 4From: The effect of Sailuotong (SLT) on neurocognitive and cardiovascular function in healthy adults: a randomised, double-blind, placebo controlled crossover pilot trialMean difference topographic headmaps for auditory N1 and P3a. Headmaps illustrate the difference in stimulus condition (target minus nontarget) and the difference between sessions (post-treatment minus baseline) for placebo and SLT. A SLT related reduction in N1 negativity, and an increase in P3a positivity are apparentBack to article page