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. Author manuscript; available in PMC: 2019 May 21.
Published in final edited form as: Nature. 2018 Nov 21;564(7736):420–424. doi: 10.1038/s41586-018-0732-8

Extended Data Figure 3 |. Walking arena geometry and odor stimulus.

Extended Data Figure 3 |

a, Photograph of walking arena, with the lid removed. b, Annotated photograph of the walking arena as seen from above, taken with the machine vision camera that is used for tracking. c, Odor control for the three delivery architectures, odor off. d, Odor control for the three delivery architectures, odor on. In our experiments the port through which odor is delivered was alternated.