The International Youth Neuroscience Association (IYNA) is a global, youth-led 501(c)(3) nonprofit dedicated to inspiring the next generation of neuroscientists. We are an international organization dedicated to promoting neuroscience education and enthusiasm. We will be opening new positions relatively frequently, so make sure to check back here often. According to a user from New York, U. What does IYNA mean? This page is about the various possible meanings of the acronym, abbreviation, shorthand or slang term: IYNA.