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Activity in one brain structure can predict people's preferences

The study shows that even when people rate options similarly, they will choose the one that causes more activation in the caudate nucleus, a brain region involved in anticipating reward.

24 Mar 2009

fMRI shows some advice shuts down key decision-making areas of the brain

A study using functional magnetic resonance imaging (fMRI) shows that expert advice may shut down areas of the brain responsible for decision-making processes, particularly when individuals are trying to evaluate a situation where risk is involved.

23 Mar 2009

Thinning of right hemisphere in brain a marker for familial form of depression

Findings from one of the largest-ever imaging studies of depression indicate that a structural difference in the brain - a thinning of the right hemisphere - appears to be linked to a higher risk for depression, according to new research at Columbia University Medical Center and the New York State Psychiatric Institute.

23 Mar 2009

Distinct electric signature in brain predicts blunders

From spilling a cup of coffee to failing to notice a stop sign, everyone makes an occasional error due to lack of attention.

23 Mar 2009

Injected luminol glows blue revealing immune cells' misdeeds

Detectives on television shows often spray crime scenes with a compound called luminol to make blood glow.

22 Mar 2009

How to increase the efficacy of local excision of rectal cancer

With the advancement of imaging techniques, the accuracy of preoperative rectal cancer staging has increased dramatically, and the preservation of physical function in rectal cancer patients has become a very important aim of research.

22 Mar 2009

The brain maintains language skills in spite of alcohol damage by drawing from other regions

Prior neuroimaging studies have shown alcoholism-related damage to the frontal lobes and cerebellum.

20 Mar 2009

Heightened level of amygdala activity may cause social deficits in autism

Something strange is going on in the amygdala - an almond-shaped structure deep in the human brain - among people with autism.

20 Mar 2009

First time portable CT used for skull base endoscopic transnasal surgery

When Susan Dailey was 11 years old, she was admitted to a hospital by her loving parents, who assumed she would get a routine tonsillectomy to cure her chronic sore throat.

20 Mar 2009

Fetal alcohol syndrome testing expands

Improved technology, partnerships and collaboration across two provinces have allowed Queen's University scientists to dramatically expand the use of eye-movement tests that help identify and assess children with Fetal Alcohol Spectrum Disorder (FASD).

20 Mar 2009

New camera images blood circulation in real time

Burns or other disorders that disrupt the blood flow in tissues will soon be easier to assess thanks to a camera that is capable of imaging blood circulation in real time.

20 Mar 2009

Boston Scientific launches iCross coronary imaging catheter

Boston Scientific Corporation has announced the launch of its iCross(TM) Coronary Imaging Catheter, a product designed to improve the deliverability of the Company's market-leading intravascular ultrasound (IVUS) technology, the iLab Ultrasound Imaging System.

20 Mar 2009

Groundbreaking study into depression

Medical researchers from Sydney University's Brain Dynamics Centre have launched a world-first study that could lead to a dramatic improvement in how people are treated medically for depression.

19 Mar 2009

Study tracks increasing use of CT on pregnant women

Researchers have found that over a 10-year period radiologic exams on pregnant women have more than doubled, according to a study published in the online edition of Radiology.

17 Mar 2009

Intelligence is strongly influenced by the quality of the brain's axons

They say a picture tells a thousand stories, but can it also tell how smart you are? Actually, say UCLA researchers, it can.

17 Mar 2009

Early detection of second breast cancers halves women’s risk of death

A group of international researchers has found the first reliable evidence that early detection of subsequent breast tumours in women who have already had the disease can halve the women's chances of death from breast cancer.

17 Mar 2009

Brain abnormality found in boys with ADHD

Researchers trying to uncover the mechanisms that cause attention deficit hyperactivity disorder and conduct disorder have found an abnormality in the brains of adolescent boys suffering from the conditions, but not where they expected to find it.

17 Mar 2009

BioNanomatrix awarded phase II NIH grant to support development of single-molecule nanoscale whole genome analyzer

BioNanomatrix, Inc. has announced receipt of a Phase II grant from the National Human Genome Research Institute (NHGRI) of the U.S. National Institutes of Health (NIH).

17 Mar 2009

1 in 4 Americans lacks timely access to optimal care during time-sensitive medical emergencies

Although most Americans live close to some type of emergency room, as many as one in four Americans are more than an hour away from the type of hospital that's most prepared to save their life during a time-sensitive medical emergency, according to a new University of Pennsylvania School of Medicine study published in the journal Annals of Emergency Medicine.

17 Mar 2009

Examining the infinitesimal - new approach to microscopy

A new approach to microscopy is opening up the wonders of the molecular world, allowing researchers to examine organic molecules and delicate crystals as they grow, atom by atom. Dr Andrew Humhpris, co-founder of the original technology and now Chief Technology Officer of Infinitesima, explains how this University spin-out has turned into a leading-edge company.

17 Mar 2009