194: Iris Sphincters

You might think you’re special because you can flex your nostrils or flap your ears–but it turns out that there is a person out there who can voluntarily move their pupillary sphincters. What the heck are those? Listen to this one, it’s worth it. https://www.youtube.com/watch?v=DW2iwEshWME Want to know more? Check out the scientific paper! Amy’s Links: https://www.livescience.com/man-can-control-pupil-dilation.html https://www.sciencedirect.com/science/article/pii/S0167876021008448?via%3Dihub This is a public episode. If you would like to discuss this with other subscribers or get access to bonus episodes, visit brainjunkpodcast.substack.com