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Improveyour memoryThere is certainly a lot more information to commit tomemory these days. Some days, we blame informationoverload for everyday memory lapses such asmisplacing our glasses or walking into the office pantryonly to forget what we needed there.“There’s some truth to that,” says Gary Small, M.D.,director of the Memory & Aging Research Centerat University of California, Los Angeles. “Our livesmay be more frenetic, but we simply need to work onimproving our attention.”Fortunately, research is yielding new ways to do that, tosharpen memory now and keep it strong as we get older.Address your stressEver wonder why, when you are already having amaddening day, your memory worsens? Blame thestress hormone cortisol. When you are under stress,cortisol builds up in the hippocampus which is thebrain’s control centre for learning and memory. Theincrease in cortisol may interfere with encodinginformation or retrieving it. Cumulatively, thiscan be serious. “As you get older, chronic elevatedcortisol levels are linked to memory impairmentand a smaller hippocampus,” says Shireen Sindi,a researcher in the Department of Neurology andNeurosurgery at McGill University.Eat to your brain’s contentFoods that keep your heart healthy are also goodfor your brain. Sardines and salmon which arerich in omega-3 fatty acids fight artery-damaginginflammation. Blueberries are loaded with anthocyaninswhich are potent antioxidants that protect cells,including those in the brain. “Blueberries may also havethe power to create new pathways for connection in thebrain. These connectors tend to die off with age, but inanimal studies, blueberry consumption has been shownto help restore them,” says Jim Joseph, Ph.D., directorof the neuroscience lab at the USDA Human NutritionResearch Center on Aging, Tufts University.Kramer,Ph.D.,professor ofpsychology andneuroscience at theUniversity of Illinoisand co-author of thestudy. The bigger thehippocampus, the betterable you are to form newmemories. “You don’t have to liveat the gym. Just get out and walk for anhour a few days a week,” says Kramer.Play mind gamesDoing something mentally challenging such as workingon a crossword puzzle or learning a instrument createsfresh connections in your brain. “You can actuallygenerate new cells in the hippocampus,” says PeterSnyder, Ph.D., professor of clinical neurosciences at theWarren Alpert School of Medicine at Brown University.Those new cells build cognitive reserves that areimportant for creating new memories and may protectagainst memory loss, even dementia, later in life. Gamesthat work to improve processing speed may deliver anextra boost. In a group of older adults, his studies of thecomputer game Brain Fitness showed that players hada significant improvement in cognitive skills, includingmemory, compared with those in a control group.Anything that requires working against the clock canhelp. A timed game like Boggle will force one to payattention, work quickly and think flexibly.Source: GoodHouseKeeping.comTake a walkWhen you exercise, your brain gets a workout of itsown. A new study of 161 adults aged 59 to 81 foundthat the hippocampus was larger in those who werephysically active. “Fitness improvement leads to anincrease in volume of this brain region,” explains ArtNews Bites 05

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