Magnetic Resonance Imaging (MRI) News and Research

RSS

Magnetic resonance imaging (MRI) uses a large magnet and radio waves to look at organs and structures inside your body. Health care professionals use MRI scans to diagnose a variety of conditions, from torn ligaments to tumors. MRIs are very useful for examining the brain and spinal cord. Also called: Magnetic resonance imaging, NMR, Nuclear magnetic resonance.

How the body controls brain temperature: the temperature shielding effect of cerebral blood flow

Attempts to cool the brain to reduce injury from stroke and other head trauma may face a significant obstacle: current cooling devices can't penetrate very deeply into the brain.

4 Aug 2006

Bone marrow lesions in the knee may be hereditary

There is a significant genetic component to the occurrence and severity of bone marrow lesions in the tibia and femur.

3 Aug 2006

Novel environment sparks exploration and learning

Neurobiologists have known that a novel environment sparks exploration and learning, but very little is known about whether the brain really prefers novelty as such.

2 Aug 2006

fMRI shows "gambling" structures in the brain

From gamblers playing blackjack to investors picking stocks, humans make a wide range of decisions that require gauging risk versus reward.

2 Aug 2006

Abnormal cortical development after premature birth shown by altered allometric scaling of brain growth

Measurement of the way that the brain grows after birth in preterm infants, particularly the relation between brain surface area and cortical volume, may help to predict neurodevelopmental impairment.

2 Aug 2006

Knee bone marrow lesions may be hereditary

Bone marrow lesions in the knee, a cause of pain in patients with knee osteoarthritis, may be hereditary.

1 Aug 2006

Multi-tasking adversely affects brain's learning

Multi-tasking affects the brain's learning systems, and as a result, we do not learn as well when we are distracted, UCLA psychologists report this week in the online edition of Proceedings of the National Academy of Sciences.

26 Jul 2006

New faster magnetic resonance imaging (MRI) data-acquisition technique

A faster magnetic resonance imaging (MRI) data-acquisition technique will cut the time many patients spend in a cramped magnetic resonance scanner, yet deliver more precise 3-D images of their bodies.

26 Jul 2006

New idea for detecting zinc in the body with implications for illnesses

Scientists at Cardiff University have developed a bright idea for detecting zinc in the body with implications for illnesses such as cancer, diabetes and Alzheimer's disease.

25 Jul 2006

Effect of obesity on image quality: Evaluation of dictated radiology reports

The increase of obesity in the United States doubled the number of inconclusive diagnostic imaging exams over a 15-year period, according to a study featured in the August issue of Radiology.

25 Jul 2006

Research shows which sex differences are developmental vs. sociological vs. hormonal

Differences in the way men and women perform verbal and visuospatial tasks have been well documented in scientific literature, but findings have been inconsistent as to whether men and women actually use different parts of their brains.

19 Jul 2006

Donepezil slows brain shrinkage in some patients with mild cognitive impairment

According to a new study, the drug donepezil measurably slows the rate of brain shrinkage in some patients with mild cognitive impairment, a pre-Alzheimer's disease condition. The shrinkage was measured by magnetic resonance imaging (MRI).

18 Jul 2006

Reading the words halitosis or jasmine activates the olfactory areas of the brain

There are words whose power to evoke sensations has become proverbial. Just hearing them brings to mind the image, sound or feeling of that little fragment of reality they refer to.

18 Jul 2006

Key deficiencies found in brains of people with autism

In a pair of groundbreaking studies, brain scientists at Carnegie Mellon University and the University of Pittsburgh have discovered that the anatomical differences that characterize the brains of people with autism are related to the way those brains process information.

13 Jul 2006

Researchers discover why brain areas fail to work together in autism

In people with autism, the brain areas that perform complex analysis appear less likely to work together during problem solving tasks than in people who do not have the disorder, report researchers working in a network funded by the National Institutes of Health.

12 Jul 2006