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 scans show unconscious woman played tennis in her head

Neuroscientists at Britain's Cambridge University say functional magnetic resonance imaging or fMRI brain scans appear to show that a woman in a vegetative state seemed to play tennis in her head despite the fact that she had been unconscious for five months after a motor vehicle accident.

11 Sep 2006

Sex differences in general mental ability

A study published in the September 2006 issue of the journal Intelligence analyzed 145 items from the Scholastic Assessment Test (SAT) in 100,000 17- to 18-year-olds and found a male IQ advantage of 3.63 points.

7 Sep 2006

Scientists develop magnetic nanoparticles for medicine

Magnetic iron oxide nanoparticles have already proven their utility for imaging metastatic breast cancer lesions in sentinel lymph nodes, and numerous groups are attempting to use iron nanoparticles in other imaging applications.

5 Sep 2006

Anticipation plays a powerful role in human memory

Psychologists have long known that memories of disturbing emotional events - such as an act of violence or the unexpected death of a loved one - are more vivid and deeply imprinted in the brain than mundane recollections of everyday matters.

4 Sep 2006

'God Spot' in the brain - no such thing!

According to Canadian researchers there is no such thing as a "God spot" in the brain.

31 Aug 2006

Preoperative Functional MR Imaging localization of language and motor areas

By pinpointing the motor and language areas of the brain with functional magnetic resonance imaging (fMRI), surgeons can target brain tumors more effectively while reducing the risk of damaging important cognitive and motor processes.

30 Aug 2006

Whole-brain T1 mapping in multiple sclerosis

The effects of multiple sclerosis (MS) extend beyond visibly affected areas into large portions of the brain that outwardly appear normal, according to a study appearing in the September issue of Radiology.

30 Aug 2006

Inflammation in brain tissue a possible clue to autism

According to new research the common medical belief that young children with autism have accelerated brain growth is not the case even though their brains may appear enlarged.

24 Aug 2006

Autism affects the functioning of virtually the entire brain

A recent study provides evidence that autism affects the functioning of virtually the entire brain, and is not limited to the brain areas involved with social interactions, communication behaviors, and reasoning abilities, as had been previously thought.

16 Aug 2006

FDA investigates use of identifier system for medical devices

The Food and Drug Administration (FDA) is seeking information on how the use of a unique identifier system for medical devices may reduce medical errors, facilitate device recalls and improve medical device adverse event reporting.

9 Aug 2006

Effects of sleep deprivation on the brain

Everyone needs sleep, but temporary periods with no sleep can be a reality of military operations.

7 Aug 2006

New method of delivering a dose of radioactive iodine

A new method of delivering a dose of radioactive iodine - using a man-made version of scorpion venom as a carrier - targets deadly brain tumors called gliomas without affecting neighboring tissue or body organs.

7 Aug 2006

Normal pattern of brain growth is disrupted in babies that are born prematurely

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.

6 Aug 2006

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

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