Simulation Hypothesis: Lessons From the Fruit Fly Brain Map

Psychology Today | 21.06.2026 05:18
Like the lunar landing, the mapping of the familiar fruit fly in 2024—bane of humid groceries and kitchen cringe—represents a major accomplishment. Other creatures have been mapped, but Mr. Fly is so iconic, now living within a simplified computer simulation since March of 2026... unaware it is not real. After years of work and the kind of machine learning that can trace a single circuit through a fog of tissue, researchers completed the first full wiring diagram of a fruit fly brain—139,255 neurons, some 50 million connections between them.