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HelloAI glossary

Hallucination

When an AI generates content that is fluent and plausible but wrong or never happened, such as a measurement that was never taken or a finding never discussed. In clinical documents this is a patient-safety issue, not a quirk.

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Terms like this come up in real clinical scenarios across the HelloAI courses: bite-sized modules with verifiable certificates. An account takes one minute, no password needed.

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