Correction to: Neuropsychopharmacology(2012) 37, 1517–1525; doi:10.1038/npp.2011.337; published online 8 February 2012

In this article, there is an error in the last sentence of the abstract. The sentence should be as follows: We provide a new working hypothesis of a neurocognitive mechanism by which MPH reduces socially disruptive behavior. We also provide novel evidence of catecholamine mediation of social learning.