Imaging News and Research

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Researchers find neurological basis of depression following sports concussion

Researchers at the Montreal Neurological Institute of McGill University have identified the neurological basis of depression in male athletes with persisting post-concussion symptoms.

21 Jan 2008

Gold nanoparticles shine brightly in tumors

Solid gold nanoparticles have long been used to treat rheumatoid arthritis and more recently have shown promise in treating various types of cancer.

16 Jan 2008

How exactly does aging affect judgment and decision-making abilities?

We often read or hear stories about older adults being conned out of their life savings, but are older individuals really more susceptible to fraud than younger adults?

15 Jan 2008

MIT brain imaging study looks at cultural influences

People from different cultures use their brains differently to solve the same visual perceptual tasks, MIT researchers and colleagues report in the first brain imaging study of its kind.

14 Jan 2008

Comprehensive assessment of long-term effects of reducing intake of energy

Overweight people who lose a moderate amount of weight get an immediate benefit in the form of better heart health, according to a study conducted at Washington University School of Medicine in St. Louis.

11 Jan 2008

Germanium-68 may aid medical imaging, drug development

Broadway stars have understudies. Now, an increasingly popular radioactive isotope has its own stand-in.

10 Jan 2008

Overweight people may not know when they've had enough

Researchers at the U.S. Department of Energy's Brookhaven National Laboratory have found new clues to why some people overeat and gain weight while others don't.

10 Jan 2008

New insight into the mechanisms underlying amnesia

Brain scans of hypnotized people that are taken as they forget and are triggered to remember have revealed neural circuitry that is key to the memory suppression and recall process.

10 Jan 2008

Blocking parasites' communication reduces infection

One of the most common human parasites, Toxoplasma gondii, uses a hormone lifted from the plant world to decide when to increase its numbers and when to remain dormant, researchers at Washington University School of Medicine in St. Louis have found.

10 Jan 2008

New understanding on the mechanics of gene transcription

The molecular machinery behind gene transcription -- the intricate transfer of information from a segment of DNA to a corresponding strand of messenger RNA -- isn't stationed in special "transcription factories" within a cell nucleus, according to Cornell researchers.

9 Jan 2008

Taranabant shows promise for weight loss in obese people

The first clinical studies of an experimental drug have revealed that obese people who take it for 12 weeks lose weight, even at very low doses.

9 Jan 2008

Brain response differences found in way women with irritable bowel syndrome deal with pain

UCLA researchers found that women with IBS cannot effectively turn-off a pain modulation mechanism in the brain, which causes them to be more sensitive to abdominal pain, compared to women without IBS.

9 Jan 2008

New magnetic method of delivering cells and genes to repair injured or diseased organs

Scientists have used magnetic fields and tiny iron-bearing particles to drive healthy cells to targeted sites in blood vessels.

8 Jan 2008

High-energy ultrasound imaging produces clearer pictures of liver tumors

A high-energy form of ultrasound imaging developed by researchers at Duke University's Pratt School of Engineering produces pictures of liver tumors that are better than those made with traditional ultrasound, according to results of a clinical study.

From Siemens Healthineers 8 Jan 2008

Genmab announces HuMax-CD32b pre-clinical program

Genmab A/S has announced a new pre-clinical antibody program called HuMax-CD32b. This fully human IgG1,k antibody targets the CD32b receptor found on immune cells and hematological tumors.

7 Jan 2008

Study finds way to increase use of health information record technologies

Slow diffusion of patient-managed electronic health information record technologies, or PHRs, has limited the development of an interoperable health information infrastructure that will greatly improve health-care quality and cost and will save lives.

4 Jan 2008

New understanding of actin networks

Dynamic networks of growing actin filaments are critical for many cellular processes, including cell migration, intracellular transport, and the recovery of proteins from the cell surface.

4 Jan 2008

$11.3 million autism study launched

Autism researchers at the University of Washington will take the initial step in attempting to prevent the developmental disorder when they launch an $11.3 million study this week.

4 Jan 2008

Carnegie Mellon study identifies where thoughts of familiar objects occur inside the human brain

A team of Carnegie Mellon University computer scientists and cognitive neuroscientists, combining methods of machine learning and brain imaging, have found a way to identify where people's thoughts and perceptions of familiar objects originate in the brain by identifying the patterns of brain activity associated with the objects.

4 Jan 2008

Effects of sleep deprivation reversed

Researchers at Wake Forest University School of Medicine have shown that the effects of sleep deprivation on cognitive performance can be reversed when the naturally occurring brain peptide, orexin-A, is administered in monkeys.

3 Jan 2008