Movie 1: Example video of data typically collected in the lab. As the rat moves around the environment, spikes from a single cell (red dots) are overlaid. At the end of the movie we show the spatial rate map of the grid cell recorded.

Movie 2: Video showing example of the oscillatory interference model of grid cells. A baseline constant oscillation and three oscillations with frequency controlled by the velocity of the animal relative to specific headings of 0, 120 and 240 degrees. The four oscillations are summed together. When the resulting sum oscillation reaches threshold a spike is plotted on the trajectory video, resulting in grid cell like activity.

Movie 3: Trajectory and firing locations for an example grid cell recorded within the lab.

Movie 4: Oscillatory interference model run on the behavioral data shown in the movie to the left.