Washington College 1 article published in JoVE Environment Using Pharmacological Manipulation and High-precision Radio Telemetry to Study the Spatial Cognition in Free-ranging Animals Timothy C. Roth*1, Aaron R. Krochmal*2, William B. Gerwig, IV1, Sage Rush3, Nathaniel T. Simmons2, Jeffery D. Sullivan4, Katrina Wachter5 1Department of Psychology, Franklin and Marshall College, 2Department of Biology, Washington College, 3University of Pennsylvania, 4School of Forestry and Wildlife Sciences, Auburn University, 5Morsani College of Medicine, University of South Florida This paper describes a novel protocol that combines the pharmacological manipulation of memory and radio telemetry to document and quantify the role of cognition in navigation.