. The drug regenerates his neurons, but also exponentially increases his cognitive, sensory, and motor skills. Evolution of Intelligence:
As Leon’s intelligence reaches superhuman levels, he begins to see underlying patterns in everything from language to biological functions. His primary motivation shifts toward "intellectual aesthetics"—an obsession with knowledge and the pursuit of a unified understanding of the universe. Understand By Ted Chiang Pdf
Leon’s rapid advancement makes him a target for government agencies like the CIA. He eventually discovers a peer named . The drug regenerates his neurons