Sham tACS stimulation successfully blinded participants to condition

Evidence

The latter sham stimulation was identical to tACS, except that the current was ramped down/up shortly after/before the experiment began/ended (Herrmann et al. 2013 ). Debriefings revealed that participants were unaware of whether they received tACS or sham stimulation. — Dijk, Pim van, Physiology, Psychoacoustics and…, 4785