In October of 2021, research scientists released a connectome for a region of the fruit fly brain called the "central complex," which controls the fly's navigation. Stunning in detail and covering over 25,000 neurons and over 20 million connections from the poppy seed-sized fly brain, the map was the first to show that how this part of the brain works could be figured out from just the superhighways.
"This is a tremendous step toward working out the connectivity of the brain," said Cori Bargmann, a neuroscientist at the Rockefeller University in New York.
In the future, as researchers' tools for mapping become nimbler and exact, full connectomes of human brains will come online. And with those maps, will come the potential to link minds together. In fact, we already have the technology to connect human brains together! What will our future hold if multiple minds connect together? What will make you, you?