David Eagleman

And deaf people,

could learn how to hear this way.

So I gave a talk on this at TED, and then I spun this out from my lab as a company called Neosensory, and we ended up shrinking the vest down to a wristband, and the wristband does the same thing.

It's capturing sound, and it's turning that into patterns of vibration on the skin,

And deaf people can come to understand the auditory world around them.

Like, oh, that's somebody calling my name.

That's the doorbell.

That's a baby crying.

That's a dog barking, things like that.

And so we're on wrists all over the world now.

Lots of deaf schools, lots of individuals wearing this.

And it's been so gratifying to take something that's a theoretical neuroscience idea and move it all the way to, you know, product that people are using every day.

Yeah, so the answer is it's a linear increase.

So people just get better and better each day.

So on day one, we test people after they've been wearing it for the first 10 minutes or so, and they're slightly above chance on being able to recognize certain sounds.

But then through time, over the course of weeks, they just get better and better and better.

And the really wild part is that by about, let's say four months,

People will describe it as hearing.

So I'll say, look, when the dog barks and you feel vibrations on your wrist, do you think, okay, wait, I just felt something.

What is that?