Ultrasound scans of blood vessels in the neck may help to predict certain types of dementia and cognitive impairment:
“ …the highest intensity pulse (the top quarter of participants) at the beginning of the study were about 50% more likely to show accelerated cognitive decline over the next decade compared with the rest of the participants”.
Therrien, A. (2018). Dementia risk: five-minute scan ‘can predict cognitive decline’. London: BBC Health News, November 12th 2018.