 Support for Little Rock Public Radio comes from Woodland International Research Group, providing clinical research opportunities for innovative treatments and medications for several mental health conditions. Info at woodlandlittlerock.com. On the next Radio Lab, what does it mean to see in your mind? It's like I have a TV on in the background. Like if I close my eyes and think about it, like it's really just black. Aphantasia. That's on the next Radio Lab. Sunday at noon on KUAR, Little Rock Public Radio.