Scalp current can entrain sound processing while bypassing the peripheral ear

Evidence

Compared with periodic acoustic stimulation, tACS arguably provides the preferred entrainment stimulus as it can be applied both in silence and at selected scalp position, thus allowing to bypass the peripheral auditory system and reduce possible masking of the target sound. However, important issues remain unresolved: How reliable are auditory effects of tACS? Do they also apply to oscillations outside the alpha range? Do they also occur in more naturalistic situations where target sounds need to be tracked amidst other sounds? — Dijk, Pim van, Physiology, Psychoacoustics and…, 4769

Categorization

• QUESTION: An open research program: whether tACS entrainment generalizes beyond alpha range and into complex listening scenes.