VR To Help Detect Early Risk Of Alzheimer's

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VR To Help Detect Early Risk Of Alzheimer's
April 14, 2019

Navigation skills tested through headsets may identify patients far earlier.

 

Scientists have found an unexpected use for virtual reality headsets: to help pinpoint people who may later develop Alzheimer’s disease.

 

The devices, widely used by computer gamers, display images that can be used to test the navigational skills of people thought to be at risk of dementia. Those who do worse in the tests will be the ones most likely to succumb to Alzheimer’s later in life, scientists now believe.

 

By identifying potential patients far earlier than is possible at present, researchers hope it should then become easier in the long term to develop treatments aimed at halting or slowing their condition.

 

“It is usually thought memory is the first attribute affected in Alzheimer’s,” said project leader Dennis Chan, a neuroscientist based at Cambridge University. “But difficulty with navigation is increasingly recognised as one of the very earliest symptoms. This may predate the onset of other symptoms.

 

“By pinpointing those who are beginning to lose their navigational skills, we hope to show that we can target people at a much earlier stage of the condition and one day become far more effective in treating them.”

 

The discovery that loss of navigational skills was associated with Alzheimer’s disease was made several years ago by Chan and colleagues based at several centres in the UK. These studies used tablet computers to test navigational tasks.

 

But now scientists plan to take their tests to a new level with the use of the virtual reality sets in which wearers are immersed in simulated environments through which they must navigate.

 

Around 300 people, aged between 40 and 60, will be recruited to take part in the study. Some will have a gene that puts them at risk of the condition or will come from a family with a history of Alzheimer’s. Not all will be destined to be a

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