The brain doesn’t mature until age 25
DC Studio/Shutterstock Although we’ve already legally become an adult, our brains aren’t fully grown up until around age 25 according to science. And your brain can continue to grow long past your 20s. Dr. Tarawneh says the brain matures from back to front, with the “prefrontal cortex” the last to finish developing. “The prefrontal cortex is responsible for higher-order thinking—referred to as executive function—such as judgment and problem-solving, decision-making, complex planning, organized thinking, personality development, and impulse control,” she says. “The reward centers of the brain are the most active during adolescence but are back to normal levels of activity by the mid-20s, so individuals become less sensitive to peer pressure and much better at risk management during their 20s compared to the adolescent years.” Don’t miss these proven ways to make better decisions.
Brain games don’t make you smarter
Jne Valokuvaus/Shutterstock You might think getting good at Sodoku or doing the daily crossword puzzle will enhance your brain’s capabilities, but sadly this isn’t the case. “If you do a lot of crossword puzzles, you can get better and better at completing crossword puzzles,” says Dr. Chapman. “The limitation is that the mental effort spent on this challenge, while building vocabulary, is unlikely to expand your higher-level reasoning abilities, such as decision-making, planning, and judgment.” Another example: Even if you get really good at remembering where the red cube was on a screen, it doesn’t mean that you’ll always remember where you put your car keys. A group of scientists actually have signed a statement refuting the claim that brain games can slow cognitive decline, saying there is as of yet no scientific evidence that they do. Find out how you can train your brain to have a superhuman memory.
But, you can strengthen your brain
basiclassic/Shutterstock Although brain games may not supercharge your thinking cap, you can train your brain by focusing on broader, more dynamic skills. “The best news is that we can do things to counter age-related brain decline and strengthen our ‘smartness’ into late life– especially when it comes to innovative problem solving and deeper level thinking,” Dr. Chapman says. “Reasoning and innovative thinking contribute to the intellectual capacity needed to respond effectively to our constantly changing real-life demands.” For example, learning a new language, a musical instrument, or other new hobbies have been shown to increase brain function. Here are 15 more brain-boosting activities with science on their side.