Donta Jackson's snack of choice is a bag of Skittles. Brett Myers/Youth Radio hide caption

itoggle caption Brett Myers/Youth Radio

Young debaters at the Bay Area Urban Debate League in Oakland, Calif., say that there are a lot of differences between the way that they debate the issues and what they see the presidential candidates doing on debate nights. Jenny Bolario/YouthRadio for NPR hide caption

itoggle caption Jenny Bolario/YouthRadio for NPR

Alejandra Salinas, president of the College Democrats of America, says the group's numbers have been growing in key states like Florida and Ohio. Brett Myers/Youth Radio for NPR hide caption

itoggle caption Brett Myers/Youth Radio for NPR

Young supporters attend the Republican National Convention in Tampa, Fla. At 42, Paul Ryan is the first member of Generation X to join a presidential ticket. Spencer Platt/Getty Images hide caption

itoggle caption Spencer Platt/Getty Images

Dr. Amit Etkin and a research assistant help a participant into the bore of the MRI. Courtesy of the Etkin Lab at Stanford University hide caption

itoggle caption Courtesy of the Etkin Lab at Stanford University

Former Utah Gov. Jon Huntsman makes his way through the media as he leaves a polling station in Manchester, N.H., on Tuesday. He's one of the candidates young Mormons are often asked about as they proselytize. Adam Hunger/Reuters/Landov hide caption

itoggle caption Adam Hunger/Reuters/Landov

Supporters of Barack Obama hold signs as they listen to the then-candidate speak at an elementary school in Iowa in 2007. Crucial to his 2008 election, many young people have since grown disenchanted with the president. Scott Olson/Getty Images hide caption

itoggle caption Scott Olson/Getty Images