Quantum brains sensors could spot dementia

New highly sensitive quantum sensors for the brain may in the future be able to identify brain diseases such as dementia, ALS and Parkinson’s, by spotting a slowing in the speed at which signals travel across the brain. The research findings from a paper led by University of Sussex quantum physicists are published in Scientific Reports journal.

The quantum scanners being developed by the scientists can detect the magnetic fields generated when neurons fire.  Measuring moment-to-moment changes in the brain, they track the speed at which signals move across the brain.  This time-element is important because it means a patient could be scanned twice several months apart to check whether the activity in their brain is slowing down. Such slowing can be a sign of Alzheimer’s or other diseases of the brain.

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In this way, the technology introduces a new method to spot bio-markers of early health problems.

Aikaterini Gialopsou, a doctoral researcher in the School of Mathematical and Physical Sciences at the University of Sussex and Brighton and Sussex Medical School is the lead author on the paper. She says of the discovery:

 “We’ve shown for the first time that quantum sensors can produce highly accurate results in terms of both space and time. While other teams have shown the benefits in terms of locating signals in the brain, this is the first time that quantum sensors have proved to be so accurate in terms of the timing of signals too.

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Filed under aging brain, Alzheimer's, Alzheimer's disease, Alzheimer's risk, brain, brain damage, dementia

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