NEUROBIOLOGY. For the article “Control of eye movements and spatial attention” by Tirin Moore and Mazyar Fallah, which appeared in number 3, January 30, 2001, of Proc. Natl. Acad. Sci. USA (98, 1273–1276; First Published January 16, 2001; 10.1073/pnas.021549498), the authors note the following correction. The x axis label of Fig. 2b should be in units of μA, as described in the figure legend.