Effects of aging on cortical representations of continuous speech
I. M. Dushyanthi Karunathilake, Jason L. Dunlap, Janani Perera, Alessandro Presacco, Lien Decruy, Samira Anderson, Stefanie E. Kuchinsky, Jonathan Z. Simon
Abstract
We observed age-related changes in cortical temporal processing of continuous speech that may be related to older adults' difficulty in understanding speech in noise. These changes occur in both timing and strength of the speech representations at different cortical processing stages and depend on both noise condition and selective attention. Critically, their dependence on noise condition changes dramatically among the early, middle, and late cortical processing stages, underscoring how aging differentially affects these stages.
Topics & Concepts
MagnetoencephalographyAuditory cortexPsychologySpeech perceptionAudiologyMasking (illustration)Speech recognitionNeuroscienceElectroencephalographyPerceptionComputer scienceMedicineVisual artsArtHearing Loss and RehabilitationNeuroscience and Music PerceptionNeural dynamics and brain function