This is a brain MRI animation, showing sequential slices of
from top to bottom. It was a featured image
This was created by a Wikipedia user, Fastfission.
The explanation follows:
Made from an fMRI
scan I had done. Goes from the top of my brain straight through to the
bottom. That little dot that appears for a second on the upper-left
hand side is a vitamin E pill they taped to the side of my head to make
sure they didn’t accidentally swap the L-R orientation.