NEUROBIOLOGY. For the article “Arousal effect of orexin A depends on activation of the histaminergic system,” by Zhi-Li Huang, Wei-Min Qu, Wei-Dong Li, Takatoshi Mochizuki, Naomi Eguchi, Takeshi Watanabe, Yoshihiro Urade, and Osamu Hayaishi, which appeared in number 17, August 14, 2001, of Proc. Natl. Acad. Sci. USA (98, 9965–9970; First Published August 7, 2001; 10.1073/pnas.181330998), the name T. Watanabe was omitted from two references. The correct references appear below.
33. Inoue, I., Yanai, K., Kitamura, D., Taniuchi, I., Kobayashi, T., Niimura, K., Watanabe, T. & Watanabe, T. (1996) Proc. Natl. Acad. Sci. USA 93, 13316–13320.
47. Yanai, K., Son, L. Z., Endou, M., Sakurai, E., Nakagawasai, O., Tadano, T., Kisara, K., Inoue, I., Watanabe, T. & Watanabe, T. (1998) Neuroscience 87, 479–487.