I thought this was well known. For example, from 2003: https://consumer.healthday.com/disabilities-information-11/blindness-health-news-67/brains-of-the-blind-

I thought this was well known. For example, from 2003: https://consumer.healthday.com/disabilities-information-11/blindness-health-news-67/brains-of-the-blind-adapt-513688.html https://consumer.healthday.com/disabilities-information-11/b... I guess this is the difference: "Instead of simply looking to see which parts of the brain were most active while listening, both studies examined the sensitivity of the brain to subtle differences in auditory frequency."