Bilateral age-related atrophy in the planum temporale is associated with vowel discrimination difficulty in healthy older adults

Isler, Benjamin; Giroud, Nathalie; Hirsiger, Sarah; Kleinjung, Tobias; Meyer, Martin

doi:10.1016/j.heares.2021.108252

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Isler, B., Giroud, N., Hirsiger, S., Kleinjung, T., & Meyer, M. (2021). Bilateral age-related atrophy in the planum temporale is associated with vowel discrimination difficulty in healthy older adults. Hearing Research, 406, 108252. https://doi.org/10.1016/j.heares.2021.108252

Abstract

In this study we investigated the association between age-related brain atrophy and behavioural as well as electrophysiological markers of vowel perception in a sample of healthy younger and older adults with normal pure-tone hearing. Twenty-three older adults and 27 younger controls discriminated a set of vowels with altered second formants embedded in consonant-vowel syllables. Additionally, mismatch negativity (MMN) responses were recorded in a separate oddball paradigm with the same set of stimuli. A structural magnet resonance sc