BRAIN HAS FIVE ‘ERAS', SCIENTISTS SAY – WITH ADULT MODE NOT STARTING UNTIL EARLY 30S

Summary from the TLDR newsletter

The brain experiences five major phases, split up by four pivotal turning points (at around the ages of nine, 32, 66, and 83 years) in which brain organization moves on to a different trajectory. Understanding the brain's structural journey helps scientists identify when and how its wiring is vulnerable to disruption. It could also give insights into risk factors for mental health disorders, which most frequently emerge during the adolescent period. An overview of the five stages is available in the article.