Sham tACS participants could not detect whether stimulation was active.
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
Categorization
Category: Factual Claims
Related
- Sham tACS stimulation successfully blinded participants to condition (similarity 0.95)
- Sham tACS controls succeeded because participants could not distinguish active from inactive (similarity 0.93)
- Sham tACS can be delivered in a way participants cannot distinguish from real stimulation (similarity 0.92)
- tACS stimulation phase changes detection but not overall performance versus sham. (similarity 0.81)
- Perceptual gains from tACS entrainment are small and often statistically weak (similarity 0.81)
- Phase-locked tACS yields only small, often non-significant perceptual gains (similarity 0.80)