Ryan J. Larsen is a Senior Scientist with the Center for Brain Plasticity. Dr. Larsen’s research uses a variety of MRI techniques to study the physical correlates of cognitive performance, and how they relate to nutrition, cardiorespiratory fitness, and body composition. His research covers the human lifespan, including infants, children, young adults, and older adults. He has played a leading role in the design, execution, analysis, and interpretation of MRI studies and clinical trials at the University of Illinois, Boston Children’s Hospital, the University of East Anglia, and Swinburne University. Dr. Larsen also develops new methods for MRI collection and analysis, and has made contributions to the quantification of MR Spectroscopy data, MR Fingerprinting, and sodium MRI. Dr. Larsen holds a Ph.D. in Applied Physics from Harvard University.