![John DeFries Behavioral Genetics Psychology & Neuroscience](/ibg/sites/default/files/styles/small/public/people/jcdefries.jpg?itok=1n35x0bE)
Professor Emeritus •
Institute for Behavioral Genetics
Institute for Behavioral Genetics
University of Colorado Boulder
447 UCB
Boulder, CO 80309-0447
Research Interests:
Twin and adoption studies of cognitive abilities; genetics of learning disabilities; and use of DNA markers to locate genes that influence behavioral characters.