Correction for Cheng et al., The Molecular Gatekeeper Dexras 1 Sculpts the Photic Responsiveness of the Mammalian Circadian Clock

Correction: In the article “The Molecular Gatekeeper Dexras 1 Sculpts the Photic Responsiveness of the Mammalian Circadian Clock” by Hai-Ying M. Cheng, Heather Dziema, Joseph Papp, Daniel P. Mathur, Margaret Koletar, Margaret Koletar, Martin R. Ralph, Josef M. Penninger, and Karl Obrietan, which appeared on pages 12984–12995 of the December 13, 2006 issue, the acknowledgments that read “This work was supported by National Institutes of Health Grants MH62335 and NS47176 (K.O.),” should have read “This work was supported by National Institutes of Health Grants MH62335 and NS47176 (K.O.) and by Ohio State Neuroscience Center Core Grant 5P30NS045758.”.