Brain Fitness Tip: Get a Good Night’s Sleep
One of the most important ways to maintain brain fitness is by getting enough sleep.
Most of us know how we feel when we don’t get enough sleep. Research shows that lack of sleep can affect your memory, raise your blood pressure, and increase your risk of stroke.
But how do you get a good night’s sleep?
If you feel as though you’re not getting enough sleep, or as though your sleep isn’t leaving you feeling refreshed in the morning, the most important thing is to figure out why. Some changes in sleep are normal with increasing age and may lead you to feel as though you’re not sleeping well. Click here to find out more about normal changes in sleep with aging. If you feel as though you’re not sleeping well, ask your doctor for help.
Many sleep problems can be treated. If someone tells you that you snore, you wake up with a dry mouth, or you feel just as tired when you wake up as when you went to bed, sleep apnea may be the cause. Sleep apnea is a condition that causes a person to stop breathing during the night – sometimes many times during the night. When that happens, you wake up (even though you may not remember it) and your normal sleep is disrupted.
Other causes of sleep problems include depression, too much mental activity before bed time, drinking caffeine or smoking, and bad sleep habits. You can find out more about how to improve your sleep here. The website of the National Sleep Foundation has a number of articles about sleep and how to get a good night’s sleep. Learn more about how to sleep better. Your brain will work better and you’ll feel better, too.
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- Meditation as Brain Training
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Mindfulness meditation as practiced over a long period by experts makes clear changes in someone’s brain function. But what about those of us who don’t have a few years to sit in a monastery in the Himalayas? A new study shows that even brief meditation practice can improve attention.
Researchers at Wake Forest University studied whether just four days of training (at just 20 minutes a day) could make a difference in participants’ mood, energy, and cognition. Undergraduate students (average age 22 years) either participated in the meditation sessions or spent a similar amount of time sitting quietly and listening to an audio book.
Participants in the meditation condition showed decreases in anxiety and improvements in several mental processing tasks compared to those in the audio book group. The meditators’ performance on one aspect of a working memory task (how many answers they got correct in a row) suggested that they may have improved their attention.
This is a small and very preliminary study that extends others’ work on meditation and the brain.It shows that even brief meditation practice can make a difference. you don’t have to be a Buddhist monk to learn to still your mind and pay better attention. Paying attention may be one of the most important things you can do to improve your brain’s functioning.
Reference:
Zeidan F et al.(in press) Mindfulness meditation improves cognition: Evidence of brief mental training. Consciousness and Cognition, doi:10.1016/j.concog.2010.03.014
I saw an interesting blog post yesterday evening on the site of the Huffington Post about the potential benefits of meditation – or at least about what one woman thinks might be the benefits. Priscilla Warner writes about the contrast between Tibetan monks’ apparent calm, evident even on brain scans, and her own anxiety disorder. Ms. Warner says that she suffers from panic disorder, a severe form of anxiety in which a person can have multiple anxiety attacks every day, even in the middle of the night. Her post is titled “I Want the Brain of a Monk” Although most people don’t suffer from anxiety this severe, many people have symptoms of anxiety. And research has consistently shown that higher levels of anxiety are related to more memory problems.
What’s the relation to brain fitness? In my brain fitness class, I often mention the usefulness of meditation in helping reduce stress and anxiety, both of which have negative effects on memory. You don’t have to go to Tibet to get the benefits of meditation. If you simply take 10 minutes several times a day to break in to the ongoing rush of getting things done, you’ve made a start. Use those 10 minutes to sit quietly, relax your muscles, and breathe deeply.
If you do that every day for two weeks, I think you’ll notice that you feel calmer and better able to focus. And if you’re better able to focus, you will be better able to pay attention and remember things.
Although many people are excited about the potential for using computers to train their brains, we shouldn’t forget that other techniques have been used to the train the brain for many centuries. I’m thinking about the large number of techniques for meditation. While free computer software still requires an investment in a computer, meditation only asks you to sit or lie quietly and focus your mind.
A recently-published study shows parts of the brain in long-term meditators are larger than the same parts of the brain in people who don’t meditate. The article by Eileen Luders and her colleagues appeared in a recent issue of the journal Neuroimage (Vol. 45, No. 3, pp. 672-678, April 15, 2009). The study showed that portions of the orbitofrontal cortex and the hippocampus were larger in persons who had been regular meditators for 5 or more years. The study is interesting because the parts of the brain that were larger are often thought to be important in helping people keep themselves emotionally balanced.
A number of strategies are likely to be helpful for meditators. There has been a great deal of interest over the last several years in mindfulness meditation. Researchers have studied how it can be used in reducing anxiety and depression. Mindfulness is based on Buddhist meditation (for a brief article, click here) but you don’t have to be a Buddhist to practice meditation. In fact, one of the most important persons who has promoted mindfulness is Jon Kabat-Zinn, a researcher at the University of Massachusetts. You can see a video presentation by him on YouTube by clicking here.
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