to 85% of their free-feeding weights and maintained there by supplemental post-session feedings for the remainder of the study. Water was available ad libitum in the home cage for all rodents. Animals used in this study were cared for in accordance with the guidelines of the Institutional Animal Care and Use Committee of Virginia Commonwealth University and the ‘Guidelines For The Care And Use Of Mammals In Neuroscience And Behavioral Research’ (National Research Council, 2003).
