Thanks to a mouse watching clips from “The Matrix,” scientists have created the largest functional map of a brain to date.

They managed to do something that we haven’t done as a neuroscience community in basically all of our history, which is to be able to map the activity of neurons onto the wiring on a very large population of neurons,

By Will Dunham WASHINGTON (Reuters) -Neuroscientists have produced the largest wiring diagram and functional map of a mammalian brain to date using tissue from a part of a mouse's cerebral cortex involved in vision,