This is interesting — Fix The News 321: Brain epochs 🧠 🌟:

In one of the world’s most comprehensive studies of how neural wiring changes from infancy to old age, scientists in Cambridge have identified the five major “epochs” of human brain development. Analysis of almost 4,000 MRI scans shows the brain shifts through five distinct wiring phases, with major transitions at the ages of nine, 32, 66 and 83.

I have one more shift ahead of me …