Erratum: In the article “MuSK Expressed in the Brain Mediates Cholinergic Responses, Synaptic Plasticity, and Memory Formation,” by Ana Garcia-Osta, Panayiotis Tsokas, Gabriella Pollonini, Emmanuel M. Landau, Robert Blitzer, and Cristina M. Alberini, which appeared on pages 7919–7932 of the July 26, 2006 issue, the authors neglected to mention a source of funding. The research described in the study was also supported by National Institute on Drug Abuse Grant DA15863 to E.M.L.
