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Which brain processes enable humans to rapidly access their personal knowledge?

What happens if humans perceive either familiar or unfamiliar objects? The answer to these questions may lie in the direction of information flow transmitted between specialized brain areas that together establish a dynamic cortical network.

7 Aug 2007

Green tea holds promise for psoriasis and dandruff

Green tea could hold promise as a new treatment for skin disorders such as psoriasis and dandruff, Medical College of Georgia researchers say.

7 Aug 2007

Genetic factors strongly shape how peers are chosen

As we develop, the company we keep may be increasingly influenced by our genes, according to a new study led by Virginia Commonwealth University researchers.

7 Aug 2007

ADHD linked to depressed dopamine activity in the brain

Adults with attention-deficit/hyperactivity disorder (ADHD) show a blunted response to the drug methylphenidate (Ritalin), which increases brain dopamine levels, according to a report in the August issue of Archives of General Psychiatry, one of the JAMA/Archives journals.

7 Aug 2007

New insight into mechanism of DNA-break repair

A new UC Davis study that explains the actions of a gene mutation that causes early onset cancer provides a fundamental insight into the mechanism of DNA-break repair.

6 Aug 2007

Can people mentally impose arbitrary spatial category boundaries?

When explorers like Magellan and Columbus sailed from Europe to the New World 500 years ago, they amazingly managed to navigate the open sea without terrestrial landmarks, natural boundaries or the navigational technology we have today.

6 Aug 2007

Researcher examines the needs of laryngeal cancer patients

A nurse researcher at the Cancer Care Research Centre, based at the University of Stirling is using a research fellowship of more than £90,000 from Cancer Research UK to provide support for people with head and neck cancers.

6 Aug 2007

LKB1 gene - new lung tumor-suppressor

Collaborating scientists in Boston and North Carolina have found that a particular gene can block key steps of the lung cancer process in mice.

6 Aug 2007

As we mature, we are able to create more contextually rich memories

MIT neuroscientists exploring how memory formation differs between children and adults have found that although the two groups have much in common, maturity brings richer memories.

6 Aug 2007

Ddiscovery of a novel molecular switch offers potential for epilepsy

The discovery of a novel molecular switch that powerfully modulates nerve cell activity offers the potential for new mood disorder and epilepsy treatments, University of California, Irvine researchers report.

6 Aug 2007

Biologists discover one reason why chromosomes break, often leading to cancer

In the past ten years, researchers in genome stability have observed that many kinds of cancer are associated with areas where human chromosomes break.

6 Aug 2007

Be aware! whispering stroke all too common

Scientists in the U.S. say some people experience subtle symptoms which are suggestive of a stroke without an actual stroke being diagnosed.

6 Aug 2007

HMGB1 protein shown to act as an accelerator - activating the body's defenses

Toll-like receptors are the guard dogs of the immune system, sniffing out bacteria and viruses then activating the body's immune system for an attack on these invaders.

3 Aug 2007

Innovative gene therapy research for muscular dystrophy

A major grant of approximately $10 million from the National Institutes of Health will help investigators at Columbus Children's Research Institute (CCRI) at Columbus Children's Hospital learn more about strategies to treat muscular dystrophy, potentially leading to two new gene therapy approaches.

3 Aug 2007

New treatment for glaucoma shows promise

Iowa State University researchers have developed a new technique that successfully treated rats for blindness caused by glaucoma.

3 Aug 2007

Electricity - a new weapon for stalling the progression of cancer

Low-intensity electric fields can disrupt the division of cancer cells and slow the growth of brain tumors, suggest laboratory experiments and a small human trial, raising hopes that electric fields will become a new weapon for stalling the progression of cancer.

3 Aug 2007

More efficient way of detecting loosened artificial hip implants

Engineers at the University of Bath have developed a diagnostic test which measures the frequency of sound produced when the femur bone in the leg is vibrated.

3 Aug 2007

Potential biomarker to predict acute kidney injury earlier than current tests

Clinicians currently lack advance warning of acute kidney injury (AKI) for patients where kidney injury timing is unknown.

3 Aug 2007

Discredited Korean embryonic stem cells' true origins revealed

A report from researchers at Children's Hospital Boston and the Harvard Stem Cell Institute sheds new light on a now-discredited Korean embryonic stem cell line, setting the historical record straight and also establishing a much-needed set of standards for characterizing human embryonic stem cells.

3 Aug 2007

New understanding of male fertility from enzyme discovery

Scientists have discovered a new enzyme involved in the degradation of proteins inside cells, a process that helps eliminate or recycle proteins that are no longer needed.

3 Aug 2007