Why do our ears ring after we lis­ten to loud mu­sic?

Focus-Science and Technology - - Q&A - MERED­ITH BAI­LEY,

Loud sounds can dam­age the hair cells in your cochlea of your in­ner ear. This causes some de­gree of hear­ing loss and your brain tries to com­pen­sate by turn­ing up the gain con­trol so the sig­nals from re­main­ing healthy hair cells are am­pli­fied. This also am­pli­fies ran­dom noise in the sig­nal, which we hear as a ring­ing. Pro­longed or re­peated ex­po­sure to loud noises can dam­age or kill the hair cells for good.

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