technology-news

Study unlocks mysteries about Alzheimer's

Washington, Dec 23 : Scientists have shed light on the three essential puzzles regarding Alzheimer's, a science journal reported.


Using high-resolution functional magnetic resonance imaging (fMRI) in patients with Alzheimer's disease, Columbia University Medical Center (CUMC) researchers have clarified three fundamental issues about Alzheimer's: where it starts, why it starts there, and how it spreads.

The findings could improve early detection of the disease, when drugs may be most effective. The study was published in the online edition of the journal Nature Neuroscience, reports Science Daily.

"It has been known for years that Alzheimer's starts in a brain region known as the entorhinal cortex," said senior co-author Scott A. Small, director of the Alzheimer's Disease Research Center.

"But this study is the first to show in living patients that it begins specifically in the lateral entorhinal cortex, or LEC," he said.

"The LEC is considered to be a gateway to the hippocampus, which plays a key role in the consolidation of long-term memory, among other functions. If the LEC is affected, other aspects of the hippocampus will also be affected," Small added.

The study also shows that, over the time, Alzheimer's spreads from the LEC directly to other areas of the cerebral cortex, in particular the parietal cortex, a brain region involved in various functions, including spatial orientation and navigation.

--IANS (Posted on 23-12-2013)

technology-news headlines

Internal body clock puzzle solved

Unearthed! Tilting planets can harbour life too

Infant hair reveals life inside the womb!

Now, 'second skin' that prevents dangerous sores in amputees

2014's first total lunar eclipse to create 'blood moon'

How black holes swallow stars

Asian air pollution affecting Northern Hemisphere's weather patterns

Now, bluetooth enabled footwear to help joggers from getting lost

Mars' atmosphere analyzing sensor could help cut Earth's greenhouse emissions

How flesh-eating bacteria exploded into epidemic

Birth of a baby moon on Saturn?

Robot sex to determine how life began!

Quick Links: Goa | Munnar | Pondicherry | Free Yearly Horoscope '2014

Comments

Your e-mail:


Your Full Name:


Type verification image:
verification image, type it in the box

Message:

Back to Top