Health
This AI can identify cough in asymptomatic people with Covid-19
Sometimes artificial intelligence Know more about us Than we know about ourselves. And when it comes to diagnosing Covid-19, it may be a benefit of fighting a pandemic.
Researchers at MIT have developed an algorithm that they say can distinguish forced coughing in asymptomatic people with Covid from coughing in healthy people. They are currently working on a free app that allows anyone to cough on their smartphones and are basically pre-screened for Covid infections, even if they have no symptoms.
Researchers read their dissertation IEEE Journal of Engineering in Medicine and Biology, And that MIT News For more information, we discussed the investigation with the team.
Prior to the pandemic, the MIT team was working on an AI model that could diagnose diseases, especially Alzheimer’s disease, based on voice recordings. After training AI with 200,000 recordings of voice and cough, AI can detect biomarkers such as vocal cord strength, vital capacity, and neuromuscular degeneration that appear in these recordings, which is different from coughing and words in healthy people. I found out.
Because Covid may have several of the same symptoms (especially “temporary neuromuscular disorders”), researchers decided to apply the Alzheimer’s disease framework to detect Covid-19. AI makes these differences in cough caused by neuromuscular disorders and other symptoms between healthy people and asymptomatic people with Covid-19, the differences that asymptomatic people do not notice themselves. The idea is that you can pick it up.
According to their study, the theory worked. They had already trained the initial model with tens of thousands of records, so they were able to create a Covid-specific assessment from 4,000 cough samples. Half from healthy people and half from asymptomatic Covid-19 patients.
We then tested AI on an additional 1,000 samples (again, half healthy and half not) to correctly identify 98.5% of coughs in people with Covid-19. Accurately tagged all forced coughs from asymptomatic Covid-19 patients. It’s pretty impressive!
Researchers say the AI model needs to be further refined with more training samples. But they hope this will be a useful tool for fighting pandemics.
Studies show Its asymptomatic Covid patients unknowingly contribute to the spread of the disease. With a cough pre-screening tool, it’s easy to know if you have Covid-19 before you unknowingly go out into the world and infect others.
Imagine having Alexa cough and ask Alexa to see if you should take the Covid test before you leave home. That scenario may sound a bit strange, but if it works, adopt it.
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