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.

Young adults at future risk of Alzheimer's have different brain activity

Young adults with a genetic variant that raises their risk of developing Alzheimer's Disease show changes in their brain activity decades before any symptoms might arise, according to a new brain imaging study by scientists from the University of Oxford and Imperial College London.

6 Apr 2009

New standardized tool for the assessment of chronic pain helps distinguish pain subtypes

Joachim Scholz from Massachusetts General Hospital in Boston, USA and his colleagues studied the symptoms and signs of patients with peripheral neuropathic pain (nerve pain such as sciatica) and non-neuropathic (non-nerve) low back pain to identify the best clinical questions and physical tests for diagnosing pain types.

6 Apr 2009

Brain scan-assisted diagnosis for post-traumatic stress disorder a step closer to reality

Florence, Italy: Preliminary research examining the difference in brain activity between soldiers with post-traumatic stress disorder and those without it moves scientists a step closer to the possibility of being able one day to use brain scans to help diagnose the condition.

6 Apr 2009

What drives brain changes in macular degeneration?

In macular degeneration, the most common form of adult blindness, patients progressively lose vision in the center of their visual field, thereby depriving the corresponding part of the visual cortex of input.

2 Apr 2009

TV series brings dwarfism into the spotlight

A popular cable reality television show, Little People, Big World, focuses on the daily lives of short stature individuals.

1 Apr 2009

Activation of the prefrontal cortex improves working memory

Psychologists and neurologists invest considerable effort in the study of working memory.

1 Apr 2009

Ultrasound saves money, improves rheumatologic care

A few years back, 76-year-old Joseph Buggie woke up to pain so throbbing, he couldn't muster the strength to roll over, let alone crawl out of bed.

31 Mar 2009

Post heart attack, bone marrow stem cells increase blood flow within heart

Patients treated with their own bone marrow stem cells after a heart attack experienced increased circulation within the heart, a study by Emory University School of Medicine physicians has found.

30 Mar 2009

How fat is stored may explain lower rate of liver disease in African-Americans

Where different ethnic groups store fat in their bodies may account for differences in the likelihood they'll develop insulin resistance and non-alcoholic fatty liver disease, researchers at UT Southwestern Medical Center have found.

29 Mar 2009

Difference in fat storage may explain lower rate of liver disease in African-Americans

29 Mar 2009

Modified magnetic resonance imaging technique shows disease metabolism in action

Duke University chemists are using modified magnetic resonance imaging to see molecular changes inside people's bodies that could signal health problems such as cancer.

29 Mar 2009

Inconsistent performance speed among children with ADHD may underlie how well they use memory

Children with attention-deficit hyperactivity disorder (ADHD) show more variable or inconsistent responses during on 'working' or short-term, memory tasks when compared with typically developing peers, a study by UC Davis M.I.N.D. Institute Julie Schweitzer has found.

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

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

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

Alzheimer's disease neuroimaging initiative announces completion of genome-wide analysis

Researchers announced today that a high-density genome wide analysis of participants in the Alzheimer's Disease Neuroimaging Initiative (ADNI; www.adni-info.org) is more than 95% complete and that data will be shared with scientists around the world for further analysis.

16 Mar 2009