tACS tuning brain alpha rhythms reduces illusory speech percepts in McGurk effect

AnnaCiaunica · x · 2026-10-12

A preprint from IIT Jodhpur researchers on bioRxiv shows tACS at and around a person's Individual Alpha Frequency (IAF) reduces illusory /ta/ percepts in the McGurk effect (n=27) while leaving congruent syllables intact. A Kuramoto model offers a mechanistic account of the neuromodulatory behavioral changes.

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