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Tuesday, January 31, 2023

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The unsuspected medical virtues of ChatGPT revealed by a study

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Discovering that you know nothing or very little. This is the feeling of many observers with ChatGPT. For example, we would not have imagined that artificial intelligence would have a role to play in helping to detect Alzheimer’s disease, which today affects 55 million people worldwide.

A very effective tool

However, researchers at Drexel University in Pennsylvania have just published an important study which shows that GPT-3, the program which is used by ChatGPT, is able to identify certain clues in a person’s writings which make it possible to locate the early stages of the disease. Efficiency would reach 80%, a very respectable level.

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Quoted by our colleagues from Unite.ai, Hualou Liang, co-author of this research explains: “The most commonly used tests for the early detection of Alzheimer’s disease examine acoustic characteristics, such as pauses, articulation and voice quality, in addition to status testing. But we believe that improving natural language processing programs offers another avenue to support the early identification of Alzheimer’s disease. “.

So how does it work ? GPT-3 is well suited to spot certain language features that predict dementia, the authors explain. By training this language model on this specific point, it could identify these markers even better.

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Suiting words to deeds, the scientists “fed” GPT-3 with patient voice recordings to test the relevance of AI in diagnosis. Some had Alzheimer’s disease while others did not. As we have seen above, the results were very conclusive.

And the researchers conclude: “Our results demonstrate that text integration, generated by GPT-3, can be used reliably not only to detect people with Alzheimer’s disease compared to healthy controls, but also to infer test scores. cognitions of the subject, in both cases solely on the basis of voice data”.

Launching a web application

They are now working on developing a web application that can be used in a patient’s home or in a doctor’s office. In the long term, it is therefore one more tool that will make it possible to detect the disease earlier, and therefore to act more quickly to delay its effects.

When we know that GPT-3 will soon be replaced by GPT-4 which, according to OpenAI, would be even more powerful and precise, this could bode well for major progress in this area.

Source: Presse-Citron

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