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.

Cases of meningitis caused by herpes simplex virus set to rise

Viral meningitis is common, but many cases go unreported, say researchers in this week's BMJ.

4 Jan 2008

Carnegie Mellon study identifies where thoughts of familiar objects occur inside the human brain

A team of Carnegie Mellon University computer scientists and cognitive neuroscientists, combining methods of machine learning and brain imaging, have found a way to identify where people's thoughts and perceptions of familiar objects originate in the brain by identifying the patterns of brain activity associated with the objects.

4 Jan 2008

Elective surgery puts seniors at risk for long-term cognitive problems

According to new research from the U.S. patients over the age of 60 who opt to have elective surgeries put themselves at an increased risk for long-term cognitive problems.

3 Jan 2008

Deadly vCJD makes a comeback in Britain

A new report has reignited fears over another possible outbreak of the deadly Creutzfeldt-Jakob Disease (CJD) in Britain.

3 Jan 2008

A tipple or two a day a good thing for the over-65s

Scientists in Britain say for the over-65s one or two drinks every day may be a good thing.

3 Jan 2008

Testosterone therapy and mental function in healthy older men

When we think about the powers of testosterone, we usually do not consider mental processes.

3 Jan 2008

Effects of sleep deprivation reversed

Researchers at Wake Forest University School of Medicine have shown that the effects of sleep deprivation on cognitive performance can be reversed when the naturally occurring brain peptide, orexin-A, is administered in monkeys.

3 Jan 2008

New hope for Batten disease sufferers

Investigators at the University of Rochester Medical Center have uncovered a promising drug therapy that offers a ray of hope for children with Batten disease – a rare neurodegenerative disease that strikes seemingly healthy kids, progressively robs them of their abilities to see, reason and move, and ultimately kills them in their young twenties.

3 Jan 2008

Elderly patients at greater risk for developing cognitive problems after surgery

Patients over the age of 60 who have elective surgeries such as joint replacements, hysterectomies and other non-emergency, inpatient procedures, are at an increased risk for long-term cognitive problems, according to a new study led by Duke University Medical Center researchers.

3 Jan 2008

Epilepsy and brain pathology linked together by the protein ADK

The brain of individuals who suffer from epilepsy is characterized by astrogliosis, a brain pathology evidenced by a complex series of changes in the morphology and function of brain cells known as astrocytes.

3 Jan 2008

Some antipsychotic drugs may be missing their mark

Drugs that treat depression, schizophrenia and other psychotic conditions and that target a particular protein on brain cells might not be triggering the most appropriate response in those cells, new research suggests.

2 Jan 2008

Three-drug cocktail improves outcomes in glioblastoma multiforme

New research at Wake Forest University Baptist Medical Center suggests that a three-drug cocktail may one day improve outcomes in patients with glioblastoma multiforme (GBM), a type of brain tumor with a dismal prognosis.

2 Jan 2008

Deep sleep maintains normal glucose control

Suppression of slow-wave sleep in healthy young adults significantly decreases their ability to regulate blood-sugar levels and increases the risk of type 2 diabetes, report researchers at the University of Chicago Medical Center in the "Early Edition" of the Proceedings of the National Academy of Science, available online as soon as Dec. 31, 2007.

2 Jan 2008

Fish oil benefits

It's good news that we are living longer, but bad news that the longer we live, the better our odds of developing late-onset Alzheimer's disease.

28 Dec 2007

Help for musician's dystonia

Therapy that stimulates the hand muscles may help treat the condition called musician's dystonia, a movement disorder that causes muscles spasms in musicians, according to a study published in the December 26, 2007, online issue of Neurology, the medical journal of the American Academy of Neurology.

28 Dec 2007

Overeating and obesity triggered by lack of brain-derived neurotrophic factor

According to the Centers for Disease Control and Prevention, close to one-third of the population in the United States is obese and another third is overweight.

28 Dec 2007

Mutations in a protein called dynein may cause inherited neuropathy

Mutations in a protein called dynein, required for the proper functioning of sensory nerve cells, can cause defects in mice that may provide crucial clues leading to better treatments for a human nerve disorder known as peripheral neuropathy, which affects about three percent of all those over age 60.

28 Dec 2007

High triglycerides, other cholesterol raise risk of stroke

People with high triglycerides and another type of cholesterol tested but not usually evaluated as part of a person's risk assessment have an increased risk of a certain type of stroke, according to research published in the December 26, 2007, online issue of Neurology, the medical journal of the American Academy of Neurology.

28 Dec 2007