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But Claude said tumor!
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this post was submitted on 26 Mar 2024
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Technology
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Using a Large Language Model for image detection is peak human intelligence.
AI cars are still running over pedestrians and people think computers are to the point of medical diagnosis?
There are some very impressive AI/ML technologies that are already in use as part of existing medical software systems (think: a model that highlights suspicious areas on an MRI, or even suggests differential diagnoses). Further, other models have been built and demonstrated to perform extremely well on sample datasets.
Funnily enough, those systems aren't using language models 🙄
(There is Google's Med-PaLM, but I suspect it wasn't very useful in practice, which is why we haven't heard anything since the original announcement.)
I have read some headline that said that some of these models just measure age of a patient and a quality of the machine making photos.
Really.
Says all you need to know about their opinion lol
Still AI misalignment is a real issue. I just don't remember which model was studied and had been found out that it was missaligned.
That and bias, absolutely need improvements. That doesn't mean LLMs can't be extremely effective if given appropriate tasks. The problem is that the people who make decisions about where they're used aren't technical enough to understand their strengths and limitations
I don’t think technical knowledge gives as good a sense as a lot of experience working with one.
Like saying the guys who designed a particular car would know best how it’ll perform on various racetracks. My sense is a driver would have a better sense.
I guess what I meant by technical knowledge meant to be less about general tech and more about specifically LLM tech
Eh. Depends on which tech is being used and how. For a lot of things, relatively basic ML models purposefully trained do a pretty good job, and are, in fact, limited by the diagnoses in the training data. But more generalized "AI" tools seem rather... questionable.
Like, you can train a SVM on fMRIs to compare structures in the brain between patients diagnosed with bipolar disorder and those that are not diagnosed with it, and it will have an accuracy rate on new patients basically equal to the accuracy rate of the doctors who did the diagnosing in the training set. But you'll have a much harder time creating a model that takes in fMRIs and reports back answers to the question of "which brain disease or abnormality do I have?"
This stuff works much closer to advertised when it's narrowly defined and purpose built, but the people making and funding this work want catch-all doctor replacements, because of course they do, because there's way more money in charging hospitals and patience 10% less than a doctor's salary than there is in providing tools that make doctors' efforts in diagnosing specific illnesses easier.
Or, at least there is if you can pull it off.
Precisely. Many of the narrowly scoped solutions work really well, too (for what they're advertised for).
As of today though, they're nowhere near reliable enough to replace doctors, and any breakthrough on that front is very unlikely to be a language model IMO.
And they should no more replace doctors in the future than x-ray machines did in the past. We should never want them to.