Physical activity intensity is associated with cognition and functional connectivity in Parkinson's disease

Erin K. Donahue, Siva Venkadesh, Vy Bui, Angelie Cabrera Tuazon, Ryan Wang, Danielle Haase, Ryan P Foreman, Jared J Duran, Andrew J. Petkus, David Wing, Michael Higgins, Daniel P. Holschneider, Ece Bayram, Irene Litvan, Michael W. Jakowec, John D. Van Horn, Dawn M. Schiehser, Giselle M. Petzinger