A Better Aging Brain Through Un-Focused Time

Think a stronger brain means hours of Sudoku or brain training? Nope. There’s a part of your brain, referred to as the Default Mode Network, that while at rest helps you retrieve memories, link to better creative thinking and can help you feel more connected. The good news is that the best way to tap into this part of your brain is to rest, relax and effectively “do nothing”.

According to Harvard Health here are some great ways in which to activate the “unfocus” network of your brain;

Napping: If, for example, you are dog tired in the mid-afternoon, and just need your mind to be clear, a 10-minute nap might be all you need for sharper thinking. But if you have a major creative project ahead of you, whether it is an innovative idea at work, or redecorating your house, you will need at least 90-minutes of napping time. This gives your brain enough time to shuttle around ideas to make the associations that it needs to make.

Positive constructive daydreaming (PCD): It’s hard to imagine daydreaming as a type of training, but it is. It has to be the right type of daydreaming. According to Jerome Singer, who has studied this for decades, slipping into a daydream is not of much use; neither is guiltily rehashing everything that makes you feel bad — like the expense you incurred when you bought the shoes you liked, or the one-too-many drinks that you had at a party. But there is a type of daydreaming that will make you more creative and likely re-energize your brain. Called positive constructive daydreaming (PCD), it is best done while you are engaged in a low-key activity, not when you are fading. And as opposed to slipping into a daydream, which is more like falling off a cliff, you must parachute into the recesses of your mind with a playful and wishful image — perhaps one of you lying on a yacht or floating on your back in a pool on vacation. Then comes the swivel of attention — from looking outside, to wandering inside. With this move, you engage your unfocus brain and all the riches that it can bring.

Physical exercise and free-walking: In the brain, thinking supports movement, and movement supports thinking. In fact, exercise improves your DMN function. It normalizes it in obese people (who have too much of it) and increases connectivity in young healthy people. Even a single session can make a difference. Aerobic exercise can help prevent atrophy of key regions within the DMN, and also help the connectivity between different regions too. Walking does boost creative thinking, but how you walk matters. One year of walking boosts the connections between the different parts of the DMN too. In 2012, psychology professor Angela K. Leung and her colleagues tested three groups of people. One group walked around in rectangles while completing a mental test; one group walked around freely; and the last group sat down while taking the test. The free-walking group outperformed the other two groups. Other studies have shown that free-walking results in improvements in fluency, flexibility, and originality of thinking. So if you want to boost your creativity, go on a meandering hike on a safe path less traveled. Furthermore, walking outdoors may be even more beneficial than puttering around the house (unless you’re using PCD, of course!)

So go ahead, skip all the cognitive high-jinx and take a walk, a cat nap or a day dreaming excursion. Your brain (and stress levels) will thank you.

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