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Wednesday, October 26, 2016

Scientists develop system for early diagnosis of Parkinson's, MS, and Alzheimer's


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Virtual reality diagnosis using a new mathematical model linked to balance can detect first signs of these disorders, it is claimed. 
Scientists from Tomsk Polytechnic University (TPU) and Siberian State Medical University are using common symptoms to spot the early stages of debilitating neurodegenerative diseases such as Parkinson's, Multiple Sclerosis, and Alzheimer's.

A ten minute test aims to assess in a straightforward way a patient's proneness to such diseases.

Using Google Glass and Kinect the Russian researchers have developed a model which aims to distinguish between healthy person's ability to adjust to a sloping virtual reality environment, and a person with the early stages of one of these diseases, who in all likelihood will not keep their balance.

Early diagnosis is seen as crucial because by the time someone has lost enough nerve cells to detect a condition in themselves, it is too late to recover.

The system is being finessed after experimentation on 50 volunteers. 
Ivan Tolmachov, senior instructor at the TPU Department of Industrial and Medical Electronics, said: 'Our sense of balance and our movement are the responsibilities of a number of systems.

'It is the vestibular apparatus - the inner ear and semicircular ducts - which determine our position in space and the direction of gravity. It is also muscular system and vision (which) helps us to monitor constantly the horizon. All these coordinated systems operate automatically. They falter if a person gets neurodegenerative diseases to develop, for example, Parkinson's disease.'

In order that a person can feel function loss, about 80% of related cells should be lost. But then there is no way back to recovery. 


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