Jeffrey D LongJeffrey D. Long, PhD, is Professor of Psychiatry in the Carver College of Medicine at the University of Iowa. He is also the Head Statistician for Neurobiological Predictors of Huntington′s Disease (PREDICT-HD), a longitudinal NIH-funded study f early detection of Huntington′s Disease. His undergraduate degree is from the University of California at Los Angeles, and his doctoral degree is from the University of Southern California in the area of quantitative psychology. Read More Read Less