https://scitechdaily.com/understandin...
The brains of worms are not stationary inside skulls. Neurons (red) and other cells (blue) naturally shift position as an adult C. elegans eats or moves around in its environment. The head of this animal is on the right side of the video. Researchers were surprised to learn that neurons' locations vary between individuals as well.
Credit: Toyoshima et al., 2016, DOI: 10.1371/journal.pcbi.1004970