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Different neuroanatomical correlates for temporal and spectral supra‐threshold auditory tasks and speech in noise recognition in older adults with hearing impairment

Neuschwander, Pia; Schmitt, Raffael; Jagoda, Laura; Kurthen, Ira; Giroud Rickenbacher, Nathalie Régine; Meyer, Martin (2023). Different neuroanatomical correlates for temporal and spectral supra‐threshold auditory tasks and speech in noise recognition in older adults with hearing impairment. European Journal of Neuroscience, 57(6):981-1002.

Abstract

Varying degrees of pure-tone hearing loss in older adults are differentially associated with cortical volume (CV) and thickness (CT) within and outside of the auditory pathway. This study addressed the question to what degree supra-threshold auditory performance (i.e., temporal compression and frequency selectivity) as well as speech in noise (SiN) recognition are associated with neurostructural correlates in a sample of 59 healthy older adults with mild to moderate pure-tone hearing loss. Using surface-based morphometry on T1-weighted MRI images, CT, CV, and surface area (CSA) of several regions-of-interests were obtained. The results showed distinct neurostructural patterns for the different tasks in terms of involved regions as well as morphometric parameters. While pure-tone averages (PTAs) positively correlated with CT in a right hemisphere superior temporal sulcus and gyrus cluster, supra-threshold auditory perception additionally extended significantly to CV and CT in left and right superior temporal clusters including Heschl's gyrus and sulcus, the planum polare and temporale. For SiN recognition, we found significant correlations with an auditory-related CT cluster and furthermore with language-related areas in the prefrontal cortex region. Taken together, our results show that different auditory abilities are differently associated with cortical morphology in older adults with hearing impairment. Still, a common pattern is that greater PTAs and poorer supra-threshold auditory performance as well as SiN recognition are all related to cortical thinning and volume loss but not to changes in CSA. These results support the hypothesis that mostly CT undergoes alterations in the context of auditory decline, while CSA remains stable.

Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > Neuroscience Center Zurich
06 Faculty of Arts > Department of Comparative Language Science
Special Collections > NCCR Evolving Language
Special Collections > Centers of Competence > Healthy Longevity Center
Special Collections > Centers of Competence > Center for the Interdisciplinary Study of Language Evolution
Special Collections > Centers of Competence > Competence Centre Language and Medicine Zurich
06 Faculty of Arts > Linguistic Research Infrastructure (LiRI)
06 Faculty of Arts > Zurich Center for Linguistics
Dewey Decimal Classification:000 Computer science, knowledge & systems
400 Language
410 Linguistics
Uncontrolled Keywords:General Neuroscience
Language:English
Date:1 March 2023
Deposited On:20 Feb 2023 15:10
Last Modified:29 Oct 2024 02:38
Publisher:Wiley-Blackwell Publishing, Inc.
ISSN:0953-816X
OA Status:Hybrid
Publisher DOI:https://doi.org/10.1111/ejn.15922
PubMed ID:36683390
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  • Language: English
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