ACROSS THE LIFESPAN

Your Brain at 25

Peak processing speed, but wisdom is still loading

Around age 25, your brain hits its peak for raw processing speed, which is the ability to take in new information quickly and react in the moment. But here's the twist: your prefrontal cortex, the region responsible for planning, impulse control, and complex decision-making, is only just finishing its development. So while your brain is fast, it's also finally mature enough to use that speed wisely.

Source

Sowell, E. R., Thompson, P. M., Holmes, C. J., Jernigan, T. L., & Toga, A. W. (1999). In vivo evidence for post-adolescent brain maturation in frontal and striatal regions. Nature Neuroscience, 2(10), 859–861.

In real life...

If you're in your mid-20s, lean into this window. Your brain is uniquely positioned to build strong cognitive habits right now. The combination of peak speed and a newly mature prefrontal cortex means the mental routines you establish now can serve you for decades.