In the article “Impaired GABA and Glycine Transmission Triggers Cardinal Features of Rapid Eye Movement Sleep Behavior Disorder in Mice,” by Patricia L. Brooks and John H. Peever, which appeared on pages 7111–7121 of the May 11, 2011 issue, the authors regret that one of the authors (P.L.B.) was omitted from two sections of the author contributions footnote. The footnote should have read “Author contributions: J.H.P. and P.L.B. designed research; P.L.B. performed research; P.L.B. analyzed data; J.H.P. and P.L.B. wrote the paper.”
In the article “Reverse Signaling by Glycosylphosphatidylinositol-Linked Manduca Ephrin Requires a Src Family Kinase to Restrict Neuronal Migration In Vivo,” by Thomas M. Coate, Tracy L. Swanson, and Philip F. Copenhaver, which appeared on pages 3404–3418 of the March 18, 2009 issue, the authors regret that the following sentence was omitted from the acknowledgments: “This work was supported by National Institutes of Health (NIH) Grant AG02525 to P.F.C. and by NIH Training Grant T32 HD049309 to T.M.C. (Dr. Jan Christian, PI).”

