Correction

NEUROBIOLOGY. For the article “Functional MRI detection of pharmacologically induced memory impairment,” by Reisa Sperling, Douglas Greve, Anders Dale, Ronald Killiany, Jennifer Holmes, H. Diana Rosas, Andrew Cocchiarella, Paul Firth, Bruce Rosen, Stephen Lake, Nicholas Lange, Carol Routledge, and Marilyn Albert, which appeared in number 1, January 8, 2002, of Proc. Natl. Acad. Sci. USA (99, 455–460; First Published December 26, 2001; 10.1073/pnas.012467899), the authors request that John Brown, of Glaxo Smith Kline, Addenbrooke's Center for Clinical Investigation, Cambridge, U.K., be added to the list of authors between Carol Routledge and Marilyn Albert.