Hilary Barth, assistant professor of psychology, studies cognitive development. Posted 10/18/05 Hilary Barth has joined the Psychology Department as an assistant professor. Barth received her bachelors degree from Bryn Mawr College in psychology, concentrating in neural and behavioral sciences in 1996. She received her Ph.D from the Massachusetts Institute of Technology in cognitive neuroscience in 2002. Her research involved behavioral and brain imaging studies of numerical cognition - the study of how humans think about numbers and quantities. She currently studies cognitive development, specifically the development of number and quantity understanding. Even before they receive formal math training in…