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Cited by 530

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Association of hearing impairment with brain volume changes in older adults

Open access
Lin, F.R., Ferrucci, L., An, Y., Goh, J.O., Doshi, Jimit, Metter, E.J., Davatzikos, C., Kraut, M.A., Resnick, S.M.·2014·NeuroImage

Abstract

Hearing impairment in older adults is independently associated in longitudinal studies with accelerated cognitive decline and incident dementia, and in cross-sectional studies, with reduced volumes in the auditory cortex. Whether peripheral hearing impairment is associated with accelerated rates of brain atrophy is unclear. We analyzed brain volume measurements from magnetic resonance brain scans of individuals with normal hearing versus hearing impairment (speech-frequency pure tone average > 25 dB) followed in the neuroimaging substudy of the Baltimore Longitudinal Study of Aging for a mean of 6.4 years after the baseline scan (n = 126, age 56–86 years). Brain volume measurements were performed with semi-automated region-of-interest (ROI) algorithms, and brain volume trajectories were analyzed with mixed-effects regression models adjusted for demographic and cardiovascular factors. We found that individuals with hearing impairment (n = 51) compared to those with normal hearing (n = 75) had accelerated volume declines in whole brain and regional volumes in the right temporal lobe (superior, middle, and inferior temporal gyri, parahippocampus, p < .05). These results were robust to adjustment for multiple confounders and were consistent with voxel-based analyses, which also implicated right greater than left temporal regions. These findings demonstrate that peripheral hearing impairment is independently associated with accelerated brain atrophy in whole brain and regional volumes concentrated in the right temporal lobe. Further studies investigating the mechanistic basis of the observed associations are needed.

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Metadata

Authors
Lin, F. R., Ferrucci, L., An, Y., Goh, J. O., Doshi, J., Metter, E. J., Davatzikos, C., Kraut, M. A., & Resnick, S. M.
Venue
NeuroImage
Publisher
Elsevier BV
Published
2014-04
Volume
90
Pages
84-92
ISSN
1053-8119 (ISSN-L)
OpenAlex
W2029597341
Cited by
530
References
7
FWCI
12.77
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Association of hearing impairment with brain volume changes in older adults. https://app.cochat.ai/papers/10.1016/j.neuroimage.2013.12.059
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Lin, F. R., Ferrucci, L., An, Y., Goh, J. O., Doshi, J., Metter, E. J., Davatzikos, C., Kraut, M. A., & Resnick, S. M. (2014). Association of hearing impairment with brain volume changes in older adults. NeuroImage. https://doi.org/10.1016/j.neuroimage.2013.12.059

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