Andrew Huberman· PhD
one of these stations, deep in your brainstem is responsible for helping you identify where sounds are coming from through a process that's called interaural time differences.
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one of these stations, deep in your brainstem is responsible for helping you identify where sounds are coming from through a process that's called interaural time differences.
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So you've got these two ears and because of the differences in the timing of when things arrive in those two ears, as well as these differences in the frequencies that certain things sound, or I should say the differences in the frequencies that arrive at your ears, depending on whether or not the thing is above you or right in front of you or below you, you're able to make out where things are in space pretty well.
And you have stations in your brain, meaning you have neurons in your brain that calculate the difference in time of arrival for those sound waves in your right versus your left ear.
And the leaning is that the localization of sound is based on a simple brainstem calculation of interaural time differences, the time in which something, the brain intuitively, it just knows 'cause it's a pretty hardwired circuit that if a sound arrives first to this ear then that ear, that it's likely coming from over here.
We take these millisecond cues, the millisecond differences between the sound coming to one ear, let's say your right ear versus your left, to understand what direction that sound came from.
And you have stations in your brain, meaning you have neurons in your brain, that calculate the difference in time of arrival for those sound waves in your right versus your left ear.
The way you know where things are coming from, what direction a car or a bus or a person is coming from, is because the sound lands in one ear before the other. And you have stations in your brain, meaning you have neurons in your brain, that calculate the difference in time of arrival for those sound waves in your right versus your left ear.
the localization of sound is based on a simple brain stem calculation of interoral time differences. the time in which something the the brain intuitively it just knows because it's a pretty hardwired circuit that if a sound arrives first to this ear then that ear that it's likely coming from over here whereas if it's dead center arrives at the two at the same time it's um it's almost you know ridiculously simple when one hears it no pun intended but um it's it is uh an incredibly valuable way of thinking about how the architecture of the body changes our experience