Our cognitive abilities peak in our twenties but that doesn’t mean we lose our wits. How old is your brain? There is growing evidence that the brain maintains the ability to change and adapt so that people can manage new challenges and tasks as they age. Brain-scan studies show that super-agers have thicker layers of cortex than do others of the same age. In his new book, "Keep Sharp," CNN's Chief Medical Correspondent Dr. Sanjay Gupta advises putting more focus on the control center of the body: our brain. Do you have the reflexes of a young gun, or a wise old owl? Alzheimer’s disease, typically beginning after age 60, is the leading cause of dementia. 5. With a more alert brain, students have a better ability to recall details like names, places, dates and facts. Part 4: The peak of your brain’s powers comes at around age 22 and lasts for just half a decade – but there is an upside to the ageing brain. The Secrets of Cognitive Super Agers. Brain mass: Shrinkage in the frontal lobe and hippocampus, which are areas involved in higher cognitive function and encoding new memories, starts at around the age … The five ages of the brain: Old age. Brought to you by. This has led scientists to propose a “last in, first out” theory of brain aging – the last parts of the brain to develop are the first to deteriorate. While young participants mostly did the best on the number-to-symbol coding tasks, with a peak age of around 19 to 20 years old, working memory peaked between the mid-20s and mid-30s, before starting to slowly decline. It is as if, with age, your brain becomes better at seeing the entire forest and worse at seeing the leaves. Thus, their cortex has not shrunk as much as the average elderly, or they had more to start with. This makes it a good time to open a textbook to learn something new, or review notes from the previous day. Needing that extra time is normal as we age. ... (CT) uses X-ray images from different angles to create detailed pictures of your brain. Age is also the biggest risk factor for many brain diseases, most of which affect brain structure and function. "The brain is pretty fatigued by now," says Paul Nussbaum, PhD, a clinical neuropsychologist and author of Your Brain Health Lifestyle. Students’ brains tend to be sharpest in the morning, after a refreshing night’s sleep and a nutritious breakfast. That doesn't mean you're stressed, however: University of Michigan scientists found that cortisol levels usually decline in women by late afternoon. Even neuroscientists don't know when adulthood begins, but most agree, "the brain is continuing to develop actively well past the age of 18," one expert says. They found that, depending on your definition of 'intelligence', the skills peak at very different times throughout your life. The areas of the brain that experience the most dramatic changes with age are also among the last to mature in adolescence.

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