Susan R. Barry is professor emeritus of biology and neuroscience at Mount Holyoke College, where she researched stereovision, plasticity, and coordination. She’s written for and been covered by the New York Times, LA Times, Big Think, NPR’s Morning Edition and Fresh Air, and elsewhere. You might know Barry as ＂Stereo Sue,＂ a nickname bestowed by Oliver Sacks when he wrote about her for a New Yorker essay that was later anthologized in The Mind’s Eye. She lives in Massachusetts.