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.

Concerta used to treat ADHD may be less likely to be abused than other stimulant drugs

A team led by Massachusetts General Hospital (MGH) researchers has found that a delayed-release stimulant used to treat attention-deficit hyperactivity disorder (ADHD) may be less likely to be abused than other stimulant drugs.

1 Mar 2006

Scientists reprogramme malignant melanoma cells to become normal pigment cells

Scientists at Northwestern University and the Stowers Institute for Medical Research have reprogrammed malignant melanoma cells to become normal melanocytes, or pigment cells, a development that may hold promise in treating of one of the deadliest forms of cancer.

1 Mar 2006

Cell-death mechanism linked to developmental and degenerative brain disorders

Conclusive evidence that neurodevelopmental disorders such as mental retardation and neurodegenerative disorders such as Alzheimer's disease, Parkinson's disease and ataxias can be caused, at least in part, by specific gene defects that interfere with the electrical impulses of rapid-firing brain nerve cells called bursting neurons.

1 Mar 2006

Night blindness is a new clinical symptom of Chagas disease

"This is a new observation, a new clinical symptom of Chagas disease," said Levin, head of the Laboratory of the Molecular Biology of Chagas Disease at the University of Buenos Aires, Argentina. Levin and colleagues report their findings in the March 2006, issue of the FASEB Journal.

1 Mar 2006

Visual clutter causes high-magnitude errors

Did you ever arrange to meet a friend at a busy street corner, then rush up to a total stranger thinking it was your friend?

1 Mar 2006

Compound found in marijuana may defend against diabetic retinopathy

A compound found in marijuana won't make you high but it may help keep your eyes healthy if you're a diabetic, researchers say.

1 Mar 2006

Cutaneous rabbit illusion affects human primary sensory cortex somatotopically

As much as neuroscientists know about the neural processes that signal touch, surprisingly little is understood about the neural correlates of conscious perception of tactile sensations.

1 Mar 2006

New neoprene suit helps save the lives of women suffering from obstetrical hemorrhaging due to childbirth

A simple, low-tech garment has the potential to prevent a major cause of death among women who give birth in many Third World countries, according to a new study by maternal health researchers.

1 Mar 2006

Effects of stress on the brain could trigger Alzheimer's

Researchers at the University of Edinburgh have identified for the first time a certain area of the brain which can shrink in old age and cause depression and Alzheimer's disease.

1 Mar 2006

Crystal meth the new drug pandemic

According to a U.N. narcotics watchdog the synthetic drug methamphetamine is a bigger problem in the United States and other countries than either heroin or cocaine.

1 Mar 2006

Clinical trial of new Bionovo menopause drug moves forward

Today, millions of women suffer from often-harsh symptoms of menopause such as hot flashes and night sweats -- and relief is nowhere to be found.

27 Feb 2006

Spinocerebellar ataxia and other neurodegenerative diseases might be treatable with drugs that alter the activity of potassium channels

For the first time, researchers have linked mutations in a gene that regulates how potassium enters cells to a neurodegenerative disease and to another disorder that causes mental retardation and coordination problems.

27 Feb 2006

Ginkgo biloba reduces aggressive cancer risk in animal experiments

Researchers at Georgetown University Medical Center say they now have a clearer picture of how an extract from the leaves of the Ginkgo biloba tree reduces the risk of aggressive cancer in animal experiments.

27 Feb 2006

Significant advance in our understanding of how sound is encoded for transmission to the brain

Scientists at Carnegie Mellon University have discovered that our ears use the most efficient way to process the sounds we hear, from babbling brooks to wailing babies.

27 Feb 2006

Engineers identify tiny iron oxide particles associated with Alzheimer's

Engineers have found a way to pinpoint and identify the tiny iron oxide particles associated with Alzheimer's and other neurodegenerative diseases in the brain.

27 Feb 2006

Anabolic steroids flip the adolescent brain's switch for aggression

Anabolic steroids not only make teens more aggressive, but may keep them that way into young adulthood. The effect ultimately wears off but there may be other, lasting consequences for the developing brain.

27 Feb 2006

Scientists can now predict memory of an event before it even happens

A team at UCL (University College London) can now tell how well memory will serve us before we have seen what we will remember.

27 Feb 2006

Xenon gas shown to be safe in surgery and could help stop nervedamaging illnesses

Scientists have successfully conducted the first clinical trial giving xenon gas to patients undergoing coronary artery bypass grafting in order to safeguard against postoperative brain damage that can occur following this procedure.

27 Feb 2006

Eating seafood still beneficial in many ways

Though some species of fish around the world's are likely to be contaminated with mercury, PCBs and other toxins, the benefits of eating seafood continue to outweigh the risks, a panel of scientists recently said at the annual meeting of the American Association for the Advancement of Science.

27 Feb 2006

Depression increases ecstasy use in children

Children with symptoms of anxiety and depression may have an increased tendency to use ecstasy in adolescence or young adulthood, finds a study published online by the British Medical Journal.

27 Feb 2006