All mammals have a hippocampus, but the evolutionary expansion of the human brain caused the human hippocampus to change. This video with data from @neuralmapping.bsky.social shows a model of how the position of the subiculum, the major output of the hippocampus, shifted between mice and humans 🐭🧠

In the retina, amacrine cells boost contrast by silencing nearby signals, helping your brain detect edges and details. Retinal ganglion cells then send that refined picture to your brain through the optic nerve.
Data from @neuralmapping.bsky.social 👀🧠