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• Vitamin Could Delay Onset of Alzheimer's

  Nov 5, 08 2:07 PM CST
  A simple dose of vitamin B3 may be one of the keys to combating the brain deterioration caused by Alzheimer’s disease, California scientists say. The team found that diseased mice given high levels of the vitamin retained normal memory ability over the four months of a study, and healthy mice actually improved their ability, reports the Guardian. More »

• Scientists Wipe Mouse Memories

  Oct 25, 08 3:41 AM CDT
  Scientists have succeeded in blanking selected memories from the brains of mice, Reuters reports. After brain protein levels were manipulated, the mice lost the memory of an electric shock but didn't forget anything else. The researchers said it was doubtful that it would be possible—or desirable—to do the same with the vastly more complex human brain.
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• Web Use Gives Brain a Boost

  Oct 14, 08 3:56 PM CDT
  Sudoku not your thing? Web surfing may help boost brain power and prevent brain shrinkage in middle-aged and older people in a way that reading books cannot, the BBC reports. By studying the brain scans of volunteers aged 55 to 76, researchers found that experienced internet users show enhanced activity in the decision-making and complex reasoning regions of their brains when searching online.
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• Low B12 Levels Tied to Brain Shrinkage, Memory Loss

  Sep 9, 08 1:22 PM CDT
  Vitamin B12 deficiency can cause memory loss, particularly in the elderly, reports the BBC. People short on the nutrient were 6 times more likely than individuals with normal levels to experience brain shrinkage, which is strongly linked to dementia, a new study shows. Forty percent of people are believed to have deficient levels of B12, which is found in meat, fish, and milk —and that percentage is even higher among the elderly. More »

• Brain Doesn't Remember Events—It Relives Them

  Sep 5, 08 9:19 AM CDT
  Scientists for the first time have observed how brain cells drum up a memory, and the findings buttress the notion that our minds don't so much remember events as relive them. When recalling short film clips they had seen, patients' brains repeated the same pattern of neuron activity they experienced while first watching the film, the New York Times reports.
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