Hearing loss in old age may not be a problem with the ears at all, Charlie Sorrel reports for factscoexist.com.
As we age, our brains may start to lose the ability to process speech, especially in places where there's a lot of background noise.
And it's worse if the background noise also contains speech that the listener can understand.
A new study published in the Journal of Neurophysiology says the problem stems from age-related deterioration in the midbrain and cortex.
Normally we can focus on a single speaker in a busy environment, picking out their speech even over the chatter of the crowd. But as we age, our brains get worse at distinguishing signal from noise.
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