Babies can cry because they are feeling ill or pain but they will also often let out a whimper if they are feeling hungry or sleepy. This makes it incredibly difficult for parents, especially first-time parents, to know exactly why their little ones are snivelling. Now, a group of researchers based at Northern Illinois University in the States has created a method distinguishing between normal cry signals and abnormal ones, such as those resulting from an underlying illness, using artificial intelligence.
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