It's a process called Sensory Substitution[0]. It's technically the perception of that sense. I understand that the rest of your brain 'trains' this pathway to

It's a process called Sensory Substitution[0]. It's technically the perception of that sense. I understand that the rest of your brain 'trains' this pathway to occur. So because you know that there is a sound source and you can see it move in space, and you 'feel' this on your tongue as well, you are capable of correlating the two senses together and associating them with each other. [0] https://en.wikipedia.org/wiki/Sensory_substitution https://en.wikipedia.org/wiki/Sensory_substitution