Magnetic Resonance Imaging News and Research

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Magnetic resonance imaging (MRI) is an imaging technique which physicians use for the diagnosis and treatment of medical conditions.

Researchers develop first real-time, brain-scanning speller

Researchers have come up with a device that may enable people who are completely unable to speak or move at all to nevertheless manage unscripted back-and-forth conversation. The key to such silent and still communication is the first real-time, brain-scanning speller, according to the report published online on June 28 in Current Biology, a Cell Press publication.

29 Jun 2012

Researchers identify genes that influence degeneration of the hippocampus

In a genome-wide association (GWA) study, researchers from Boston University Schools of Medicine (BUSM) and Public Health (BUSPH) have identified several genes which influence degeneration of the hippocampus, the part of the brain most associated with Alzheimer disease (AD).

29 Jun 2012

Why our eyes are bigger than our stomachs

Viewing images of high-calorie foods can trigger hunger cravings, suggests research presented at the Endocrinology Society’s annual meeting ENDO 2012 in Houston, Texas, USA.

28 Jun 2012

Prevalence of significant CAD in patients with chest pain symptoms is lower than expected in Europe

Preliminary findings from the EVINCI study show that the prevalence of "significant" coronary artery disease in patients with chest pain symptoms is lower than expected in Europe. In as much as 75% of this population an accurate non-invasive screening could avoid unnecessary and costly invasive procedures.

28 Jun 2012

Small coils activate neurons to modulate brain-cell activity

Magnetic fields generated by microscopic devices implanted into the brain may be able to modulate brain-cell activity and reduce symptoms of several neurological disorders.

27 Jun 2012

High-calorie food images stimulate brain's appetite control center

A picture may be worth a thousand calories, a new study suggests. Looking at images of high-calorie foods stimulates the brain's appetite control center and results in an increased desire for food, according to the study, which will be presented Monday at The Endocrine Society's 94th Annual Meeting in Houston.

27 Jun 2012

New video article describes novel procedure that can monitor brain function

A new video article in JoVE, the Journal of Visualized Experiments, describes a novel procedure to monitor brain function and aid in functional mapping of patients with diseases such as epilepsy. This procedure illustrates the use of pre-placed electrodes for cortical mapping in the brains of patients who are undergoing surgery to minimize the frequency of seizures. This technique, while invasive, provides real-time analysis of brain function at a much higher resolution than current technologies.

27 Jun 2012

First clinical trial to test cardiac drug regimen for DMD

The first landmark randomized clinical trial for a cardiac drug regimen in Duchenne muscular dystrophy (DMD) is testing whether earlier treatment can stop or slow down heart damage that usually kills people with the disease.

27 Jun 2012

Genetic risk for schizophrenia linked to brain volume alterations

Patients with schizophrenia and their unaffected first-degree relatives show altered gray and white matter volumes in specific brain regions compared with mentally healthy individuals, researchers report.

26 Jun 2012

Intensive insulin may backfire in acute stroke

Intensive control of glucose levels in patients with hyperacute stroke may do more harm than good, results of the randomized INSULINFARCT trial suggest.

25 Jun 2012

Study reveals function of dorsal anterior cingulate cortex in the brain

Every day the human brain is presented with tasks ranging from the trivial to the complex. How much mental effort and attention are devoted to each task is usually determined in a split second and without conscious awareness. Now a study from Massachusetts General Hospital (MGH) researchers finds that a structure deep within the brain, believed to play an important role in regulating conscious control of goal-directed behavior, helps to optimize behavioral responses by predicting how difficult upcoming tasks will be.

25 Jun 2012

Computer tomography delivers dependable data to analyze the heart's global pump function

Computer tomographic images deliver dependable data to analyze the heart's global pump function. This was shown in a study conducted by radiologists and cardiologists at Charité - Universitätsmedizin in cooperation with the Jena University Hospital.

23 Jun 2012

Amygdala volume reduced in schizophrenia, not psychotic BD

Amygdala volume is reduced in patients with schizophrenia compared with those who have psychotic bipolar disorder, researchers report.

22 Jun 2012

New methods to track stem cells

Researchers at the University of Liverpool have developed new methods to track stem cells and further understanding of what happens to them after they have been in the body for a significant period of time.

22 Jun 2012

Evidence mounts for vitamin D multiple sclerosis role

Three studies published in Neurology add weight to the theory that vitamin D levels have an important effect on relapse rates and cerebral lesions in patients with multiple sclerosis.

20 Jun 2012

Insight linked to gray matter volume in FEP patients

Results from an Irish study show that poor insight is associated with increased gray matter volume in subcortical and frontotemporal brain regions among patients with first-episode psychosis, but not in those with chronic schizophrenia.

20 Jun 2012

Imaging vital to localize stroke

Clinical signs and symptoms can rarely distinguish posterior circulation infarction from anterior circulation infarction, say researchers.

19 Jun 2012

Cardiovascular risks for excessive endurance training highlighted

Ironman triathlons, ultramarathons, and even marathons are potentially associated with a risk for adverse cardiovascular effects.

19 Jun 2012

IBMT linked with positive structural changes in brain connectivity

A Texas Tech University scientist studying the Chinese mindfulness meditation known as integrative body-mind training (IBMT) said he and other researchers have confirmed and expanded on changes in structural efficiency of white matter in the brain that can be related to positive behavioral changes in subjects practicing the technique for a month and a minimum of 11 hours total.

14 Jun 2012

Alpha-myosin triggers development of autoimmunity after heart attack

After people with type 1 diabetes have a heart attack, their long-term chance of suffering even more heart damage skyrockets. But the reason has long puzzled scientists. Now researchers at Joslin Diabetes Center have identified the misstep that sparks this runaway chronic damage and a promising way to block it.

14 Jun 2012