Extended Data Fig. 5: Acquiring familiarity with a virtual environment.
From: Multimodal cue integration and learning in a neural representation of head direction
This figure shows data from 28 flies walking in the environment with the bright visual cue, beginning when they are first exposed to this environment. In a-c, The first two plots show data from two example flies and the third plot shows data for all flies (mean ± s.e.m). Each variable was smoothed with a 60-s moving window, after first excluding time points where the fly was immobile or goodness of fit was below threshold. a. Mean HD encoding accuracy increases over time. Over all flies, there is a significant effect of time in a linear mixed-effects model (p < 0.001). b. Mean consistency of behavioral orientation increases over time. Over all flies, there is a significant effect of time in a linear mixed-effects model (p < 0.001). c. Mean bump width decreases over time. Over all flies, there is a significant effect of time in a linear mixed-effects model (p < 0.001). d. Mean bump amplitude increases during the first 10 min. in the environment, and then decreases. Over all flies, there is a significant effect of time in a linear mixed-effects model (p = 0.03). e. Mean rotational speed and forward velocity for the same flies over this time period (± s.e.m).
