Categories: Health

Human brain may be able to resist Alzheimer’s disease

According to a research published in Nature Neuroscience, the human brain may be able to compensate for some of the early changes seen in Alzheimer’s disease.

The study suggests some people recruit extra nerve power to help maintain their ability to think.

Scientists hope the findings could shed light on why only some people with early signs of the condition go on to develop severe memory decline.

However, experts warn much more research is needed to understand these processes.

The study, led by researchers at the University of California, involved 71 adults with no signs of mental decline.

The human brain may be able to compensate for some of the early changes seen in Alzheimer’s disease

Brain scans showed 16 of the older subjects had amyloid deposits – tangles of protein that are considered a hallmark of Alzheimer’s disease.

All participants were asked to memorize a series of pictures in detail while scanners were used to track their brain activity.

They were then asked to recall the gist and later the detail of all the pictures they had seen.

Both groups performed equally well but those with tangles of amyloid in their brains showed more brain activity when remembering the images in detail.

Scientists say this suggests their brains have an ability to adapt to and compensate for any early damage caused by the protein.

Scientists say they need to understand why some people with an accumulation of this protein are better at using different parts of their brain than others.

Dr. William Jagust, a researcher on the study, said: “I think it is very possible that people who spend a lifetime involved in cognitively stimulating activity have brains that are better able to adapt to potential damage.”

Kathryn R. Bown

Kathryn - Our health specialist likes to share with the readers the latest news from the field. Nobody understands better than her the relation between healthy mind and healthy body.

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