Correction: In the article “Rule Learning and Reward Contingency Are Associated with Dissociable Patterns of Dopamine Activation in the Rat Prefrontal Cortex, Nucleus Accumbens and Dorsal Striatum” by Mark R. Stefani and B. Moghaddam, which appears on pages 8810–8818 of the August 23, 2006 issue, the affiliation for Mark R. Stefani should have been listed as Department of Neuroscience, University of Pittsburgh, Pittsburgh, PA 15260. Middlebury College was not affiliated with any aspect of this work. Please note that this was an author error and not a journal error.
