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Hearing function moderates age-related changes in brain morphometry in the HCP Aging cohort.

Robert M Kirschen¹, Amber M Leaver¹

¹Department of Radiology, Northwestern University, Chicago, IL, 60611.

Biorxiv : the Preprint Server for Biology

|May 7, 2024

Summary

Hearing loss accelerates brain aging, particularly in sensory regions and ventricles. Preserving hearing may help reduce age-related neurodegeneration and brain structure changes.

Keywords:

Aging Hearing Loss Morphometry Temporal Cortex

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Area of Science:

Neuroscience
Aging Research
Auditory Science

Background:

Aging is linked to neurodegeneration and hearing loss.
The impact of hearing loss on structural brain aging requires further investigation.

Conclusions:

Preserved hearing in aging is linked to reduced age-related brain changes, particularly in the medial temporal lobe.
Good hearing is associated with preserved cortical tissue in auditory and sensory regions.
Interventions to preserve hearing may mitigate some age-related neurodegenerative changes.