Imaging News and Research

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Visual short-term memory capacity drops following sleep deprivation

When an air traffic controller at the end of a double shift forgets the location of an aircraft that had recently appeared on his screen, it may be that he did not properly take in the visual information.

24 May 2007

Pure oxygen harms the brain

A paramedic or doctor plops a mask over the face of a person struggling to breathe and begins dispensing pure oxygen.

24 May 2007

Magnetic resonance elastography enables noninvasive liver diagnoses

Two recent Mayo Clinic studies have found that magnetic resonance elastography (MRE), a new imaging technique invented at Mayo Clinic, is an accurate tool for non-invasive diagnosis of liver diseases.

24 May 2007

Yoga shows promise in improving symptoms associated with depression, anxiety and epilepsy

Researchers at Boston University School of Medicine (BUSM) and McLean Hospital have found that practicing yoga may elevate brain gamma-aminobutyric (GABA) levels, the brain's primary inhibitory neurotransmitter.

23 May 2007

The neurobiologic routs of defense mechanisms

A group of investigators from the University of Magdeburg and Zurich have described the current knowledge about neurobiologic bases underlying defense mechanisms in a review published in the May issue of Psychotherapy and Psychosomatics.

23 May 2007

Peering into the body and visualizing its molecular secrets one step closer to reality

Peering into the body and visualizing its molecular secrets, once the stuff of science fiction, is one step closer to reality with a study from researchers at the Stanford University School of Medicine and the University of California, San Diego School of Medicine.

22 May 2007

Decoding gene expression in cancer tumors using noninvasive imaging

By correlating images of cancerous liver tissue with gene expression patterns, a research team led by a radiologist at the University of California, San Diego (UCSD) School of Medicine has developed tools that may some day allow physicians to view a CT image of a cancer tumor and discern its genetic activity.

22 May 2007

Breast MRI may have a role in evaluation of newly diagnosed breast cancers

Among women who are newly diagnosed with breast cancer, magnetic resonance imaging (MRI) of the breast appears helpful in determining surgical treatment, according to a report in the May issue of Archives of Surgery, one of the JAMA/Archives journals.

22 May 2007

Large trial to identify the long-term health effects of West Nile virus infection

UT Southwestern Medical Center has joined a national clinical trial to identify the long-term health effects of West Nile virus infection and to learn more about the disease's progression, symptoms and mortality.

18 May 2007

Study of normal brain development

Children appear to approach adult levels of performance on many basic cognitive and motor skills by age 11 or 12, according to a new study coordinated by the National Institutes of Health (NIH).

18 May 2007

Biomoda files for patent protection for porphyrin molecule

Biomoda, Inc. is expanding its patent portfolio with an additional patent pending for the use of its patented porphyrin molecule as part of a sophisticated cancer drug delivery system.

18 May 2007

Structural brain development and behavior from birth to young adulthood

Yes, there are gender differences in cognitive function, but they're more limited than previously thought.

18 May 2007

Merits and risks of postmenopausal hormone therapy

The study was categorized as a primary prevention trial for coronary heart disease, although the fact that mean age at recruitment was 63 years was not given enough importance at that time. WHI investigators concluded that hormone therapy (HT) was not cardioprotective, and, in fact, its riskbenefit ratio did not favor the use of postmenopausal hormones for prevention of chronic diseases.

17 May 2007

Surgeons rebuild war veteran's nose using his own body parts

It took only seconds for the Humvee to flip over and crash on a highway near Camp Bucca in southern Iraq in August 2005.

17 May 2007

Cancer cells can be killed by a new cancer drug that is triggered by a laser light

Their paper describes how these new photosensitizer drugs can only be activated by light once they have been localized in the target tumour cells. For the first time Zheng and Wilson have demonstrated that tumour cells can be selectively attacked using a PDT.

17 May 2007

Cedars-Sinai helps Doug Fieger battle brain tumors

When singer/songwriter/guitarist Doug Fieger, lead singer of The Knack, found out last year that he had two brain tumors, he was concerned that either the tumors or the side effects of surgery would leave him unable to pursue his livelihood.

16 May 2007

Mount Sinai uses breakthrough treatment for spinal cancer

The Mount Sinai Medical Center is the only hospital in New York City using the Novalis Shaped Beam Surgery System on spinal cancer.

16 May 2007

The Phi Complex as a neuromarker of human social coordination

Researchers from Florida Atlantic University (FAU) have been able to identify neural signatures of effective, real-time coordination between people in one of the first studies in the field of social neuroscience to actually record, measure and analyze both behavior and brain activity simultaneously in two interacting humans.

16 May 2007

Fictive learning may play a role in addiction

"What might have been" or fictive learning affects the brain and plays an important role in the choices individuals make, and may play a role in addiction, said Baylor College of Medicine researchers and others in a report that appears online in the Proceedings of the National Academy of Sciences.

16 May 2007