To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie 1. Chemical cues deposited by optogenetically rewarded flies. Video recording of experiment shown in Figure 1D. Displacement experiments provide evidence for path integration in Drosophila Anna V. Titova, Benedikt E. Kau, Shir Tibor, Jana Mach, T. Thang Vo-Doan, Matthias Wittlinger, and Andrew D. Straw Journal of Experimental Biology 2023. 226:None-None; doi: 10.1242/jeb.245289 Download Original Video