“Vibrotactile Stimulation Improves Speech Intelligibility with Matching Low-Frequency Envelope Information in Both Normal-Hearing and Cochlear Implant Users”

https://pubmed.ncbi.nlm.nih.gov/38114599

Vibrotactile stimulation can improve speech intelligibility in both normal-hearing and cochlear implant users when the stimulus provides matching low-frequency envelope information, but not when it’s incongruent or neutral.