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When Elders Can’t Hear Words at a Noisy Holiday Gathering, Too Many Brain Cells May Be Firing at Once

This shows an older man with a hearing aidOlder mice were less capable than younger mice at "turning off" certain actively firing neurons when exposed to ambient noise. The result causes a fuzzy soundscape that makes it difficult for the brain to focus on one type of sound and filter out other surrounding sounds.

from Neuroscience News https://ift.tt/OzBYn3U
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