Scientists find how to spot Alzheimer’s and dementia early

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Diseases that affect the brain, such as Alzheimer’s and dementia, often begin altering the brain long before individuals notice any symptoms.

This hidden progression makes it extremely challenging to diagnose these conditions in their early stages.

Yet, identifying them early could offer the possibility of more effective treatments and, perhaps, even the chance to halt their progression. A team of Japanese scientists from the University of Tsukuba may have uncovered a new method to achieve precisely that.

A Fresh Approach to Early Detection

The researchers at the University of Tsukuba have identified subtle changes in the brain that could help doctors discern if someone is in the early stages of developing Alzheimer’s or dementia.

Their groundbreaking findings have been published in the scientific journal “Dementia and Geriatric Cognitive Disorders.”

Individuals may experience mild problems with memory or thinking as the first signs of various brain diseases, including Alzheimer’s and dementia with Lewy bodies—a condition characterized by the buildup of abnormal protein fragments in the brain.

However, distinguishing between these diseases based solely on these initial symptoms is a considerable challenge.

Consequently, the Tsukuba research team sought a way to differentiate between these conditions during their early stages.

Professor Tetsuaki Arai, the senior author of the study, explained, “We are aware of some indicators that could signal mild memory issues, but identifying these indicators typically requires specialized brain scanning equipment.

We aimed to identify these issues using regular MRI scans, which are readily available in hospitals.”

Exploring Brain Connectivity

To accomplish this, the scientists employed an innovative approach that focuses on the connections between various regions of the brain.

They examined minute changes in the brains of individuals experiencing mild memory difficulties due to Alzheimer’s and those with memory issues linked to Lewy body dementia.

“We were astonished by our findings,” noted Professor Miho Ota, the study’s lead author. “We observed unusual patterns of connectivity in specific brain regions in individuals with Alzheimer’s.

However, in those with Lewy body dementia, we observed these changes in different brain regions. These changes were absent in healthy individuals.”

Remarkably, alterations in brain networks became evident even before the brain showed signs of gray matter loss—a recognized indicator of brain disease.

A Potential Game-Changer

“We have discovered a method for identifying changes in brain networks in individuals with Alzheimer’s and Lewy body dementia,” stated Professor Arai.

“These changes can help us determine which disease an individual might be developing. This approach may be superior to examining gray matter changes, which is our current practice.”

Since MRI scans are readily available in hospitals worldwide, this innovative approach could simplify the identification and comparison of brain changes in individuals with Alzheimer’s and Lewy body dementia.

This new method for studying brain networks may hold the key to detecting these debilitating diseases at an early stage, potentially paving the way for more effective treatments.

In Conclusion

Alzheimer’s and dementia are formidable adversaries that affect millions worldwide, with their onset often concealed until advanced stages.

The research conducted by the University of Tsukuba team promises a fresh perspective on early detection.

By scrutinizing brain networks through widely available MRI scans, this breakthrough method may revolutionize our ability to identify these conditions in their infancy.

It holds the potential to unlock new and improved treatments, offering hope to individuals grappling with these diseases.

While further research is needed, this study represents a significant step toward enhancing our understanding and management of Alzheimer’s and Lewy body dementia.

If you care about brain health, please read studies about vitamin D deficiency linked to Alzheimer’s and vascular dementia, and higher magnesium intake could help benefit brain health.

For more information about brain health, please see recent studies about antioxidants that could help reduce dementia risk, and coconut oil could help improve cognitive function in Alzheimer’s.

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