Correction to: Neuropsychopharmacology (2011) 36, 1729–1737; doi:10.1038/npp.2011.54; published online 27 April 2011

In this article, the fluoxetine doses (2, 5, and 7.5 mM) noted in Table 3 and in the Result section, under the heading ‘Experiment 2: Local, Bilateral Fluoxetine Administration Increases Escape Efforts During the Swim Test’, were incorrect. The correct fluoxetine doses used were 0.2, 0.5, and 0.75 mM, respectively.