Video available free as supplemental data from de Gelder, B., M. Tamietto, et al. "Intact Navigation Skills After Bilateral Loss of Striate Cortex." Current Biology 18, no. 24 (2008): R1128-R1129. [To get to the video, click on the Supplemental Data link (or, depending on your browser, simply scroll to the Supplemental Data section on your screen) and watch the "Movie S1" video].