Thanks to a mouse watching clips from "The Matrix," scientists have created the largest functional map of a brain to date—a diagram of the wiring connecting 84,000 neurons as they fire off messages.

This image provided by the Allen Institute on April 8, 2025, shows a digital representation of neurons in a section of a mouse's brain, part of a project to create the largest map to date of brain ...

WASHINGTON (AP) — Thanks to a mouse watching clips from “The Matrix,” scientists have created the largest functional map of a brain to date – a diagram of the wiring connecting 84,000 ...