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Journal Article

The possible role of brain rhythms in perceiving fast speech: Evidence from adult aging


Ghitza,  Oded
Department of Neuroscience, Max Planck Institute for Empirical Aesthetics, Max Planck Society;
Department of Biomedical Engineering, Hearing Research Center, Boston University;

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Penn, L. R., Ayasse, N. D., Wingfield, A., & Ghitza, O. (2018). The possible role of brain rhythms in perceiving fast speech: Evidence from adult aging. The Journal of the Acoustical Society of America, 144(4), 2088-2094. doi:10.1121/1.5054905.

Cite as: https://hdl.handle.net/21.11116/0000-0002-E4D5-C
The rhythms of speech and the time scales of linguistic units (e.g., syllables) correspond remarkably to cortical oscillations. Previous research has demonstrated that in young adults, the intelligibility of time-compressed speech can be rescued by "repackaging" the speech signal through the regular insertion of silent gaps to restore correspondence to the theta oscillator. This experiment tested whether this same phenomenon can be demonstrated in older adults, who show age-related changes in cortical oscillations. The results demonstrated a similar phenomenon for older adults, but that the "rescue point" of repackaging is shifted, consistent with a slowing of theta oscillations. (C) 2018 Acoustical Society of America.