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

Older 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