In the Special Article by Brodsky titled "Dissociated Vertical Divergence: A Righting Reflex Gone Wrong," published in the September issue of the ARCHIVES (1999;117:1216-1218), proper acknowledgment of the source of Figure 2 on page 1218 was inadvertently omitted from the legend. The acknowledgment is as follows: "Reprinted with permission from Graf and Meyer.17 Copyright 1983, Springer-Verlag." The journal regrets the error.