Tag: age-related hearing loss

Research Shows Hair Cell Damage May Be Main Cause of Age-related Hearing Loss

Researchers examined 120 inner ears collected at autopsy. They used multivariable statistical regression to compare data on the survival of hair cells, nerve fibers, and the stria vascularis with the patients’ audiograms to uncover the main predictor of the hearing loss in this aging population. They found that the degree and location of hair cell death predicted the severity and pattern of the hearing loss, while stria vascularis damage did not.

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Age-related Hearing Loss Genes Discovered in Fruit Flies

“Our twin discoveries that fruit flies experience age-related hearing loss and that their prior auditory health is controlled by a particular set of genes, is a significant breakthrough. The fact that these genes are conserved in humans will also help to focus future clinical research in humans and thereby accelerate the discovery of novel pharmacological or gene-therapeutic strategies,” says lead-author Joerg Albert.

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How Might the Brain Change When We Reintroduce Sound? Interview with Anu Sharma, PhD

New research shows that after wearing professionally fit quality hearing aids, a patient’s brain may “re-organize” its auditory processing centers back towards its original state prior to the hearing loss—with corresponding gains in auditory speech perception abilities and improvements in global cognitive function, executive function, processing speed, and visual working memory performance. Anu Sharma discusses the research findings with Douglas Beck.

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