brain

How Exercise Benefits the Brain, By GRETCHEN REYNOLDS
http://well.blogs.nytimes.com/2011/11/30/how-exercise-benefits-the-brain...

To learn more about how exercise affects the brain, scientists in Ireland recently asked a group of sedentary male college students to take part in a memory test followed by strenuous exercise.

First, the young men watched a rapid-fire lineup of photos with the faces and names of strangers. After a break, they tried to recall the names they had just seen as the photos again zipped across a computer screen.

Top Ten Myths About the Brain
When it comes to this complex, mysterious, fascinating organ, what do—and don’t—we know?
By Laura Helmuth
Smithsonian.com, May 20, 2011, Subscribe

1. We use only 10 percent of our brains.

Fish oil supplements boost mental performance: study
October 25th, 2011 in Health

(Medical Xpress) -- A particular fish oil supplement has been shown to improve blood flow to the brain during mental activity and helped to reduce mental fatigue in young adults, according to research from Northumbria University.

What Parkinsons Teaches Us About the Brain (forced exercise beneficial)
By GRETCHEN REYNOLDS, NY Times

Scientific discoveries can be serendipitous, and so it was when Jay L. Alberts, then a Parkinson’s disease researcher at Emory University in Atlanta, mounted a tandem bike with Cathy Frazier, a Parkinson’s patient. The two were riding the 2003 RAGBRAI bicycle tour across Iowa, hoping to raise awareness of the neurodegenerative disease and “show people with Parkinson’s that you don’t have to sit back and let the disease take over your life,” Dr. Alberts said.

Comments: Another paradigm goes bye bye. Old model said that cells need to be dividing to undergo mutations, or epigenetic changes. Most brain cells (neurons) do not divide. When cells divide they copy their DNA, which allows mistakes to occur. Bottom line is that epigenetic changes can occur due to stimulation. Makes sense evolutionarily to have a flexible system.

Scientists discover fickle DNA changes in brain
September 30th, 2011 in Neuroscience

Exercise the body, build the brain
September 8th, 2011 in Neuroscience

Researchers have, for the first time, isolated exercise as the key factor in triggering the production of functional new cells in the learning and memory centre of the brain.

Leading international neuroscientist, Dr Henriette van Praag, detailed her findings at the Brain Sciences University of New South Wales symposium today. Her research has demonstrated a causal link between exercise and brain regeneration, or neurogenesis, in the brains of mice.

Neuroscience vs philosophy: Taking aim at free will

Kerri Smith

Clinical study shows young brains lack the wisdom of their elders
August 25th, 2011 in Psychology & Psychiatry

Language task reveals brains of older people are not slower but rather wiser than young brains, allowing older adults to achieve an equivalent level of performance.

Study identifies fish oils impact on cognition and brain structure
August 17th, 2011 in Health

Researchers at Rhode Island Hospital's Alzheimer's Disease and Memory Disorders Center have found positive associations between fish oil supplements and cognitive functioning as well as differences in brain structure between users and non-users of fish oil supplements. The findings suggest possible benefits of fish oil supplements on brain health and aging. The results were reported at the recent International Conference on Alzheimer's Disease, in Paris, France.

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