Brain Maturity Extends Well Beyond Teen Years Under most laws, young people are recognized as adults at age 18. But emerging science about brain development suggests that most people don't reach full maturity until the age 25.
What age does a woman's brain fully develop?
Males and females don't finish brain development until about age 25.
Can your brain develop after 25?
More than a century since James's influential text, we know that, unfortunately, our brains start to solidify by the age of 25, but that, fortunately, change is still possible after. The key is continuously creating new pathways and connections to break apart stuck neural patterns in the brain.
Is the brain fully developed at 30?
Your brain changes a lot between birth and adolescence. It grows in overall size, modifies the number of cells contained within, and transforms the degree of connectivity. The changes don't stop once you turn 18. In fact, scientists now think your brain continues maturing and fine-tuning itself well into your 20s.