Scientist and author Jonah Lehrer is probably best known for his book “Proust Was a Neuroscientist.” Lehrer has shared his theories on art and science in many magazines, newspapers and even NPR’s Radio Lab. This week, he spoke at the annual Idea Festival in Louisville, and appeared on WFPL’s State of Affairs.

Here’s a video of WFPL’s Gabe Bullard speaking with Lehrer: