A five-minute neck scan may help predict a person’s risk of developing dementia 10 years before symptoms emerge.
Scott Chiesa, from University College of London, and colleagues said that the test, which analyzes the pulse of blood vessels in the neck, could one day be used to test for cognitive decline.
In 2002, the researchers used ultrasound scanner to take a closer look at the blood vessels in the neck of more than 3,000 individuals and then monitored their memory and problem solving ability over the next 15 years.
They found that those with the highest intensity pulse at the start of the study were about 50 percent more likely to experience accelerated cognitive decline over the next decade compared with the other participants.
Chiesa and colleagues said that this is equal to about an extra one to one and a half years of cognitive decline.
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