Brain

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

If a friend or relative won $100 and then offered you a few dollars, would you accept this windfall? The logical answer would seem to be, sure, why not? "But human decision making does not always appear rational," said Read Montague, professor of physics at Virginia Tech and director of the Human Neuroimaging Laboratory at the Virginia Tech Carilion Research Institute.