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Glitch Baum's List: Memory
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Mar 25, 09
Improving memory through caloric restriction.
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April 5, 2006 -- - A 40-year-old woman who is being studied by neurobiologists because of her near-perfect memory says her ability to recall nearly every detail in her life is a gift that she wouldn't want to lose. But like all the rest of us, when she goes to the store she sometimes forgets something she meant to buy.
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Feb 02, 08
Most human brains appear to have a fairly limited capacity for holding items in Visual Short Term Memory (VSTM)
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Scientists have gathered some remarkable evidence which shows that it is possible to see something without observing it, in research that sheds new light on traffic accidents that occur when a driver "looked but failed to see", and other examples of mayhem and mishap in everyday life. The astonishing lack of attention we pay to our surroundings has been highlighted by research conducted by Dr Daniel Simons of the University of Illinois and Dr Daniel Levin of Vanderbilt University. At the end of this article, Dr Simons invites readers to explore the limitations of their own brains.
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Feb 02, 08
"There have been some arguments that limits on visual memory are related to limits on the number of items we can attend to at once as well as to limits on the number of items we can count at a glance (typically both have capacity estimates of around three
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This visual memory may also be linked to intelligence. In the same way that a computer with a larger working memory can tackle problems more quickly, people with a greater capacity for holding images in their heads may have better reasoning and problem-solving skills.
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Jul 11, 08
How eathing fish, blueberries and other berries, and greens or even drinking coffee, if you are a woman, can boost your memory.
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Every cell in your body needs a steady supply of oxygen and nutrients in order to stay alive and work properly, including brain cells. Because oxygen and nutrients are carried in the blood stream, anything that impedes blood flow will starve those all-important brain cells. The plain truth is that a healthy heart makes for a healthy brain. So keep your blood pressure and cholesterol in check, exercise regularly, don’t smoke and get at least seven hours of sleep each night. Compelling research also indicates that certain foods and nutrients can help enhance your memory. Read the facts on fish, berries, leafy greens and coffee — and be sure you remember to incorporate them into your diet.
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Aug 04, 08
Eating some types of fish, such as tuna, mackerel, and salmon, which are high in omega-3 fatty acides, appears to protect against brain lesions that can impair thinking and contribute to strokes or dementia. Fried fish does not appear to be helpful in pr
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ST. PAUL, Minn. – Eating tuna and other types of fish may help lower the risk of cognitive decline and stroke in healthy older adults, according to a study published in the August 5, 2008, issue of Neurology®, the medical journal of the American Academy of Neurology. For the study, 3,660 people age 65 and older underwent brain scans to detect silent brain infarcts, or small lesions in the brain that can cause loss of thinking skills, stroke or dementia. Scans were performed again five years later on 2,313 of the participants. The people involved in the study were also given questionnaires about fish in their diets. The study found that people who ate broiled or baked tuna and other fish high in omega-3 fatty acids (called DHA and EPA) three times or more per week had a nearly 26 percent lower risk of having the silent brain lesions that can cause dementia and stroke compared to people who did not eat fish regularly. Eating just one serving of this type of fish per week led to a 13 percent lower risk. The study also found people who regularly ate these types of fish had fewer changes in the white matter in their brains. "While eating tuna and other types of fish seems to help protect against memory loss and stroke, these results were not found in people who regularly ate fried fish," said Jyrki Virtanen, PhD, RD, with the University of Kuopio in Finland. "More research is needed as to why these types of fish may have protective effects, but the omega-3 fatty acids EPA and DHA would seem to have a major role." Types of fish that contain high levels of DHA and EPA nutrients include salmon, mackerel, herring, sardines, and anchovies. "Previous findings have shown that fish and fish oil can help prevent stroke, but this is one of the only studies that looks at fish's effect on silent brain infarcts in healthy, older people," said Virtanen. Research shows that silent brain infarcts, which are only detected by brain scans, are found in about 20 percent of
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Dec 06, 08
Henry Gustav Molaison underwent a brain operation at the age of 27 to help alleviate his frequent blackouts and convulsions. But, as a result of the operation, he developed profound amnesia and was never able to form new long-term memories afterwards.
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In 1953, he underwent an experimental brain operation in Hartford to correct a seizure disorder, only to emerge from it fundamentally and irreparably changed. He developed a syndrome neurologists call profound amnesia. He had lost the ability to form new memories. For the next 55 years, each time he met a friend, each time he ate a meal, each time he walked in the woods, it was as if for the first time.
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Jan 04, 09
A study reveals that spikes in blood sugar can have a negative impact on cognitive function. Exercise can help mititgate the impact to cognitivie functioning.
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Spikes in blood sugar can take a toll on memory by affecting the dentate gyrus, an area of the brain within the hippocampus that helps form memories, a new study reports. Researchers said the effects can be seen even when levels of blood sugar, or glucose, are only moderately elevated, a finding that may help explain normal age-related cognitive decline, since glucose regulation worsens with age. The study, by researchers at Columbia University Medical Center and funded in part by the National Institute on Aging, was published in the December issue of Annals of Neurology. “If we conclude this is underlying normal age-related cognitive decline, then it affects all of us,” said lead investigator Dr. Scott Small, associate professor of neurology at Columbia University Medical Center. The ability to regulate glucose starts deteriorating by the third or fourth decade of life, he added.
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Sep 02, 13
“There’s a great need for cognitive enhancers to keep us healthy into old age — now polyamines are offering a new approach,” says learning and memory specialist Ronald Davis at the Scripps Research Institute Florida in Jupiter, who was not involved in the study. “There are reasons for optimism that this fly work will translate into human.”
... Some foods that are popularly considered to have health benefits — such as wheatgerm and fermented soya beans — contain high levels of polyamines.
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