AI doesn't know 'no' – and that's a huge problem for medical bots

Toddlers may swiftly master the meaning of the word "no", but many artificial intelligence models struggle to do so. They show a high fail rate when it comes to understanding commands that contain negation words such as "no" and "not". That could mean medical AI models failing to realise that there is a big difference between an X-ray image labelled as showing "signs of pneumonia" and one labelled as showing "no signs of pneumonia" – with potentially catastrophic consequences if physicians rely on AI…