Fig. 2From: The effect of Sailuotong (SLT) on neurocognitive and cardiovascular function in healthy adults: a randomised, double-blind, placebo controlled crossover pilot trialGrand mean ERPs for targets and nontargets from the midline sites for both visual (left) and auditory (right) modalities. The solid lines represent the raw data, and the dashed lines illustrate the reconstructed PCA waveforms. PCA extracted components are labelled at Fz for both modalitiesBack to article page