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.

Brain pattern associated with genetic risk of obsessive compulsive disorder

Cambridge researchers have discovered that individuals with obsessive compulsive disorder (OCD) and their close family members have distinctive patterns in their brain structure.

27 Nov 2007

Mapping the selective brain

Researchers have added a new piece to the puzzle of how the brain selectively amplifies those distinctions that matter most from the continuous cascade of sights, sounds, and other sensory input.

21 Nov 2007

Scientists find what we see depends on the patterns of neural activity in our brains

Vase or face" When presented with the well known optical illusion in which we see either a vase or the faces of two people, what we observe depends on the patterns of neural activity going on in our brains.

21 Nov 2007

Study shows how men and women differ in their neural responses to psychological stress

According to a study that appears in the current issue of SCAN (Social Cognitive and Affective Neuroscience), researchers at the University of Pennsylvania School of Medicine discuss how men and women differ in their neural responses to psychological stress.

20 Nov 2007

Pre-malignant mammary lesions in dogs and humans display many of the same characteristics

...a discovery that could lead to better understanding of breast cancer progression and prevention for people and pets, said a Purdue University scientist from the School of Veterinary Medicine.

16 Nov 2007

New computational theory of brain function

Carnegie Mellon University neuroscientist Marcel Just and Stanford postdoctoral fellow Sashank Varma have put forward a new computational theory of brain function that provides answers to one of the central questions of modern science:

16 Nov 2007

PET scans useful for some cancer treatment, but how do patients fare?

Positron emission tomography or PET scans can help clinicians diagnose and treat some cancers, but it is not clear yet whether the imaging technology helps people with cancer live longer and healthier lives, according to a comprehensive review by the U.K. National Health Service.

14 Nov 2007

ADHD a result of delayed brain development

Scientists in the United States have discovered that youngsters with attention deficit hyperactivity disorder (ADHD) have a delay in the development of some parts of their brains.

13 Nov 2007

The key to unlocking the secret of highly specific DNAzyme catalysis

Using an extremely sensitive measurement technique, researchers at the University of Illinois have found clear evidence that a lead-specific DNAzyme uses the "lock and key" reaction mechanism.

13 Nov 2007

Cortex maturation in attention deficit hyperactivity disorder

In youth with attention deficit hyperactivity disorder (ADHD), the brain matures in a normal pattern but is delayed three years in some regions, on average, compared to youth without the disorder, an imaging study by researchers at the National Institutes of Health's (NIH) National Institute of Mental Health (NIMH) has revealed.

13 Nov 2007

Medical causes of iatrogenic renal disorders

Nephrologists and other health care providers need to be aware of certain medications and diagnostic test preparations that, in some patients, can cause damage to the kidneys, according to a special clinical update being presented at the American Society of Nephrology's 40th Annual Meeting and Scientific Exposition in San Francisco.

5 Nov 2007

Heart plays a losing game of catch-up as people age

Researchers at Johns Hopkins have evidence to explain why the supposedly natural act of aging is by itself a very potent risk factor for life-threatening heart failure.

5 Nov 2007

MRIs reveal 13% of healthy adults have a brain abnormality

A Dutch study has revealed that as many as 13% of healthy adults may have some type of undiagnosed abnormality in the brain.

4 Nov 2007

Consultation on the protection of patients and volunteers undergoing MRI examinations

The Health Protection Agency has published a consultation document on its website about the protection of patients and volunteers undergoing magnetic resonance imaging (MRI) examinations.

1 Nov 2007

Step toward mapping the human decision-making process

The brain, the human supercomputer, might work more like an assembly line when recognizing objects, with a hierarchy of brain regions separately absorbing and processing information before a person realizes what they are seeing, according to new research conducted at the University of Pittsburgh and published in the Oct. 31 edition of the Journal of Neuroscience.

31 Oct 2007