Google's artificial intelligence-powered medical chatbot has achieved a passing grade on a tough US medical licensing exam, but it's answers still fall short of those from human doctors, a peer-reviewed study said on Wednesday.
on Wednesday, Google researchers said that Med-PaLM had achieved 67.6 percent on USMLE-style multiple choice questions.To identify and cut down on"hallucinations" – the name for when AI models offer up false information – Google said it had developed a new evaluation benchmark.
Med-PaLM 2 has reached 86.5 percent on the USMLE exam, topping the previous version by nearly 20 percent, according to a preprint study released in May that has not been peer-reviewed.James Davenport, a computer scientist at the UK's University of Bath not involved in the research, said"there is an elephant in the room" for these AI-powered medical chatbots.
Anthony Cohn, an AI expert at the UK's Leeds University, said that hallucinations would likely always be a problem for such large language models, because of their statistical nature. Singhal said that in the future Med-PaLM could be used to support doctors to offer up alternatives that may not have been considered otherwise.
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