In this web video, Stanford Neurology Professor Robert Sapolsky discusses how dopamine affects human behavior: the anticipation of a particular reward is more important than actually getting the reward. He singles out Las Vegas as a place where human beings are manipulated to believe they can win money, even though they have a slim chance of doing so. It is a great explanation about dopamine and how, why, and when our levels rise. Casinos and lotteries design their experience to blatantly exploit these traits.
“They Looked Like They Were Getting Rich on Polymarket— but None of It Was Real” | Wall Street Journal
June 22, 2026
By Katherine Long, Caitlin Ostroff, Neil Mehta and Brenna T. Smith “The prediction market has flooded social media with deceptive