eli5 How does the brain separate out frequencies it’s hearing so that we can make out different instruments in a song? It seems like some insanely complex analysis behind the scenes??
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This is called selective auditory attention, or the cocktail-party effect (where you can pick out one person’s voice from many others in a loud environment), and it is my understanding that how it works is not particularly well known. That said, the task is considerably more difficult if you only have one ear, so that’s a factor.
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