As a first step to address this question, we built a spatio-temporal atlas of neuronal birth across brain structures, available at neurobirth.org (use your PC to navigate), building on Altman and Bayer’s seminal work on brain development (www.neurondevelopment.org).

Surmounting the ceiling effect: exposing expert pianists to fast and complex finger movements that cannot be performed voluntarily allows them to then improve. Transferable from one hand to the other.
I think that's what ChatGPT does to us too.
www.science.org/doi/10.1126/...