Brain News and Research

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The human brain is the center of the human nervous system and is a highly complex organ. Enclosed in the cranium, it has the same general structure as the brains of other mammals, but is over three times as large as the brain of a typical mammal with an equivalent body size.

PAZAR - virtual bazaar of gene regulation data

An international team has opened a virtual bazaar, called PAZAR, which allows biologists to share information about gene regulation through individually managed 'boutiques' (data collections).

4 Oct 2007

Brain processes identified in humans' behavioral response to threat of punishment

Researchers have identified brain structures that process the threat of punishment for violating social norms.

4 Oct 2007

Brain needs perfection in synapse number

Like Goldilocks, the brain seeks proportions that are just right. The proper number of synapses or communication between nerve cells, determined early in life, is crucial to having a healthy brain that can learn and retain information.

4 Oct 2007

New understanding of how brain controls blood pressure regulation

A discovery made 25 years ago about how the brain controls blood pressure regulation is only now being explored with the help of scientists from the Howard Florey Institute.

4 Oct 2007

Big bucks for cooling therapy trial for children with brain injuries

An investment of $11.5 million is being made into a clinical trial to examine a therapy for children with brain injuries.

3 Oct 2007

Cholesterol levels both high and low linked to premature births

A new study suggests that not only is a very low level of cholesterol a danger to pregnant women, but high cholesterol too increases the risk of premature birth.

3 Oct 2007

Day surgery for brain tumours on the NHS in Britain

A new brain surgery procedure could mean in the future that people in Britain with brain tumours may be offered day surgery under local anaesthetic on the National Health Service (NHS).

3 Oct 2007

Extremely sensitive future screening technology

After the plot to blow up trans-Atlantic airlines with liquid explosives was uncovered in London in August 2006, there has been pressure on the airline industry, and Homeland Security, to find new ways to not only detect liquids in baggage and on airline passengers, but also to figure out what they are.

3 Oct 2007

Humans appear to have an on-board carbon dioxide sensor

PLoS ONE publishes a study showing that inhalation of carbon dioxide (CO2) triggers emotional distress and a panic response in healthy individuals. The findings of the study posit panic as an inborn survival-oriented response.

3 Oct 2007

Clean living conscientious types less prone to Alzheimer's

According to the latest research from the United states if you are a clean living conscientious person you are less likely to develop Alzheimer's disease.

2 Oct 2007

Single-sex education for girls

Picture a classroom. It doesn't matter what subject, or what grade level. Imagine the teacher asks a question of the class... and virtually every hand shoots right up into the air.

2 Oct 2007

Mechanism behind nicotine dependency revealed

The research is being published the week of October 1, 2007, in an advance, online issue of the journal Proceedings of the National Academy of Sciences (PNAS).

2 Oct 2007

Omega-3 madness: fish oil or snake oil?

Omega-3 claims are popping up in everything from cereal to mayonnaise, but are those foods the panacea that marketers would have you believe According to the cover story in the October issue of Nutrition Action Healthletter , certain omega-3s may reduce the risk of heart disease and might even help protect against cancer, Alzheimer's, and vision problems.

2 Oct 2007

People who don't finish high school are at a higher risk of developing dementia

...and Alzheimer's disease compared to people with more education, regardless of lifestyle choices and characteristics such as income, occupation, physical activity and smoking, according to a study published in the October 2, 2007, issue of Neurology, the medical journal of the American Academy of Neurology.

2 Oct 2007

Antibiotic Minocycline shows potential as stroke treatment

People treated with the drug minocycline within six to 24 hours after a stroke had significantly fewer disabilities, according to a study published in the October 2, 2007, issue of Neurology®, the medical journal of the American Academy of Neurology.

2 Oct 2007

Mini-strokes linked to uric acid levels

Researchers at Johns Hopkins have found that high-normal uric acid (UA) levels may cause barely detectable mini strokes that potentially contribute to mental decline in aging adults.

2 Oct 2007

Low maternal cholesterol levels may lead to adverse birth outcomes

Pregnant women who have very low cholesterol may face a greater risk of delivering their babies prematurely than women with more moderate cholesterol levels, a team led by the National Human Genome Research Institute (NHGRI), part of the National Institutes of Health (NIH), reported today.

2 Oct 2007

Conscientiousness and Alzheimer's disease

Individuals who are more conscientious - in other words, those with a tendency to be self-disciplined, scrupulous and purposeful - appear less likely to develop Alzheimer's disease, according to a report in the October issue of Archives of General Psychiatry.

2 Oct 2007

Leptin plays a major role in islet cell growth and insulin secretion

A new Joslin-led study has shown that leptin, a hormone known mainly for regulating appetite control and energy metabolism, plays a major role in islet cell growth and insulin secretion.

2 Oct 2007

Nicotine dependence triggered by changes in brain chemistry that follow very first dose of nicotine

Following up on studies that have indicated the speed with which adolescents can get hooked on cigarettes, researchers at the University of Massachusetts Medical School have conducted the first study to determine why some adolescents who try smoking get addicted while others do not.

2 Oct 2007