MRI Sees Cognitive Decline Before Symptoms Appear

October 7, 2014 6:24 PM

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MRI Sees Cognitive Decline Before Symptoms Appear

A magnetic resonance imaging (MRI) technique can detect signs of cognitive decline in the brain even before symptoms appear, according to a new study published online in the Radiological Society of North America’s journal Radiology. The technique has the potential to serve as a biomarker in very early diagnosis of preclinical dementia.

The World Health Organization estimates that dementia affects more than 35 million people worldwide, a number expected to more than double by 2030. Problems in the brain related to dementia, such as reduced blood flow, might be present for years but are not evident because of cognitive reserve, a ph...

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