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MRI

Image: MagLab’s 900 MHz magnet (Photo courtesy of FSU – Florida State University).

High Magnetic Field MRI Technology Provides Comprehensive Analysis of Strokes

A new, novel way to categorize the severity of a stroke, help in diagnosis, and assesse potential treatments has been demonstrated by US researchers.   More...
21 Oct 2014

Pacing Lead for Full-Body MRI Scans Approved for Use in Patients with a Slow Heartbeat

A new magnetic resonance imaging pacing lead is approved in the United States for MRI scans positioned on any region of the body when used with a Medtronic dual-chamber MR-conditional pacemaker for patients with a slow heartbeat.  More...
21 Oct 2014

fMRI and Circuitry Mapping Shows Dyslexic Readers Have Disrupted Brain Network

Dyslexia, the most typically diagnosed learning disability in the United States, is a neurologic reading disability that occurs when the regions of the brain that process written language do not function normally. The use of noninvasive functional neuroimaging approaches has helped characterize how brain activity is disrupted in dyslexic individuals.   More...
19 Oct 2014
Image:  Brain perfusion: Red indicates low perfusion, yellow indicates high perfusion. Overall, the brain perfusion is similar between all three groups (see article). The most prominent difference is present in the posterior cingulate cortex (indicated by the arrow), a region close to the midline in the superior and posterior part of the brain. Control participants who remain stable have higher perfusion as compared to deteriorating controls and MCI (Photo courtesy of RSNA the Radiological Society of North America).

Arterial Spin Labeling MRI Identifies Evidence of Cognitive Decline Before Symptoms Present

A type of magnetic resonance imaging technology is being used to identify signs of cognitive decline in the brain even before symptoms appear. The technique has the potential to be used as a biomarker in very early diagnosis of preclinical dementia.  More...
16 Oct 2014
Image: University of Nottingham’s Amelia Draper, one of the researchers who found by utilizing magnetic resonance spectroscopy (MRS) that the brain plays a vital role in controlling the involuntary movements and vocal tics associated with Tourette syndrome (Photo courtesy of the University of Nottingham).

MR Spectroscopy Reveals Brain Chemical May Help in Managing Tourette Syndrome Tics

A chemical in the brain plays a vital role in controlling the involuntary movements and vocal tics associated with Tourette syndrome, a new imaging study has shown.   More...
09 Oct 2014

Gray Matter Volume in Brain Region Can Predict Risk Tolerance

Using whole-brain analysis, scientists discovered that the gray matter volume of a region in the right posterior parietal cortex of the brain was significantly predictive of individual risk attitudes. Men and women with higher grey matter volume in this region exhibited less risk aversion. The findings may clarify why risk tolerance decreases with age.   More...
09 Oct 2014
Image: St. Jude Medical announced CE marking approval of updated labeling for its Tendril STS and IsoFlex Optim pacemaker leads (Photo courtesy of St. Jude Medical).

Patient Access to MRI Scans Expanded with CE Marking Approval for Pacemaker Leads

New pacemaker leads have received CE marking approval, allowing existing and future patients with the devices access to magnetic resonance imaging scans in Europe.   More...
08 Oct 2014


MedImaging's MRI channel in addition to reporting on MR hardware, informs about the many magnetic resonance applications possible with the technique notably MRI, fMRI, diffusion MRI, MR angiography, MR guided surgery, in addition to industry developments, and safety issues.
 
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