Brain

GM-CSF required for the immune attack in multiple sclerosis

The neutralization of the cytokine GM-CSF could halt the development of multiple sclerosis. This was demonstrated by the research team of the immunologist Burkhard Becher at the University of Zurich in an animal model. Unlike other known cytokines, they write in the journal Nature Immunology, this messenger substance is essential for the development of the disease. By the end of this year, a clinical trial will be launched in which GM-CSF is to be neutralized in MS patients.

Researchers create functioning synapse using carbon nanotubes

Engineering researchers the University of Southern California have made a significant breakthrough in the use of nanotechnologies for the construction of a synthetic brain. They have built a carbon nanotube synapse circuit whose behavior in tests reproduces the function of a neuron, the building block of the brain.

Early warning system for Alzheimer's disease

Scientists at the University of Strathclyde in Glasgow are developing a technique based on a new discovery which could pave the way towards detecting Alzheimer's disease in its earliest stages - and could help to develop urgently-needed treatments.

The technique uses the ratio of detected fluorescence signals to indicate that clusters of peptide associated with the disease are beginning to gather and to have an impact on the brain.

Data miners dig for corrosion resistance

A better understanding of corrosion resistance may be possible using a data-mining tool, according to Penn State material scientists. This tool may also aid research in other areas where massive amounts of information exist.

Meditation may help the brain 'turn down the volume' on distractions

The positive effects of mindfulness meditation on pain and working memory may result from an improved ability to regulate a crucial brain wave called the alpha rhythm. This rhythm is thought to "turn down the volume" on distracting information, which suggests that a key value of meditation may be helping the brain deal with an often-overstimulating world.

EPO doping helps combat cerebral malaria

Almost 3.3 billion people, half of the world's population, risk being infected with malaria. Despite having effective means against malaria, the WHO reports 250 million cases of malaria each year and more than 700,000 related deaths. Researchers at the University of Copenhagen have now discovered that EPO, the doping drug known from professional cycling, can significantly reduce cerebral malaria related deaths.

Musical activity may improve cognitive aging

ATLANTA – A study conducted has found that older individuals who spent a significant amount of time throughout life playing a musical instrument perform better on some cognitive tests than individuals who did not play an instrument.

The findings were published in Neuropsychology.

While much research has been done to determine the cognitive benefits of musical activity by children, they say this is the first study to examine whether those benefits can extend across a lifetime.

USC research shows critical role of placenta in brain development

Research at the Keck School of Medicine of the University of Southern California's (USC) Zilkha Neurogenetic Institute shows for the first time that the human placenta plays an active role in synthesizing serotonin, paving the way to new treatment strategies that could mitigate health impacts such as cardiovascular disease and mental illness.

Antidepressants may not improve all symptoms of depression, UT Southwestern researchers find

DALLAS – April 21, 2011 – Even people who show a clear treatment response with antidepressant medications continue to experience symptoms like insomnia, sadness and decreased concentration, researchers at UT Southwestern Medical Center have found after analyzing data from the largest study on the treatment of depression.

Long-term poverty but not family instability affects children's cognitive development

Children from homes that experience persistent poverty are more likely to have their cognitive development affected than children in better off homes, reveals research published ahead of print in the Journal of Epidemiology and Community Health.

Family instability, however, makes no additional difference to how a child's cognitive abilities have progressed by the age of five, after taking into account family poverty, family demographics (e.g. parental education and mother's age) and early child characteristics, UK researchers found.

Low carbohydrate diet may reverse kidney failure in people with diabetes

Researchers from Mount Sinai School of Medicine have for the first time determined that the ketogenic diet, a specialized high-fat, low carbohydrate diet, may reverse impaired kidney function in people with Type 1 and Type 2 diabetes. They also identified a previously unreported panel of genes associated with diabetes-related kidney failure, whose expression was reversed by the diet. The findings were published in the current issue of PLoS ONE.

Neuroscientists discover new 'chemical pathway' in the brain for stress

A team of neuroscientists at the University of Leicester, UK, in collaboration with researchers from Poland and Japan, has announced a breakthrough in the understanding of the 'brain chemistry' that triggers our response to highly stressful and traumatic events.

The discovery of a critical and previously unknown pathway in the brain that is linked to our response to stress is announced today in the journal Nature. The advance offers new hope for targeted treatment, or even prevention, of stress-related psychiatric disorders.

Biological links found between childhood abuse and adolescent depression

Queen's University professor Kate Harkness has found that a history of physical, sexual or emotional abuse in childhood substantially increases the risk of depression in adolescence by altering a person's neuroendocrine response to stress.

Adolescents with a history of maltreatment and a mild level of depression were found to release much more of the stress hormone cortisol than is normal in response to psychological stressors such as giving a speech or solving a difficult arithmetic test.

Evolution of human 'super-brain' tied to development of bipedalism, tool-making

Scientists seeking to understand the origin of the human mind may want to look to honeybees -- not ancestral apes -- for at least some of the answers, according to a University of Colorado Boulder archaeologist.

Protein and calories can help lessen effects of severe traumatic brain injury

WASHINGTON — To help alleviate the effects of severe traumatic brain injury (TBI), the U.S. Department of Defense should ensure that all military personnel with this type of injury receive adequate protein and calories immediately after the trauma and through the first two weeks of treatment, says a new report from the Institute of Medicine. Evidence from several studies of severely brain-injured patients shows that providing energy and protein to patients early reduces inflammation and improves their outcomes, said the committee of experts who wrote the report.