In the article “Persistent Accumulation of Calcium/Calmodulin-Dependent Protein Kinase II in Dendritic Spines after Induction of NMDA Receptor-Dependent Chemical Long-Term Potentiation,” by Nikolai Otmakhov, Jung-Hwa Tao-Cheng, Stephen Carpenter, Brent Asrican, Ayse Dosemeci, Thomas S. Reese, and John Lisman, which appeared on pages 9324-9331 of the October 20, 2004 issue, there is an error in the figure citations in Results. On page 9327, the fourth sentence of the first complete paragraph should read as follows: “Spine fluorescence (F) was calculated as the difference between the maximum fluorescence in a spine and the background fluorescence (Fig. 3C,D).”
