From: NPR
How Do You Spot a Liar? Scientists Say It’s Trickier Than You Might Think
October 8, 2024
For over a century, people have been inventing technology to catch a liar in the act.
The polygraph was wildly popular in the mid-20th century, until science and federal law cracked down. Then, there was an era of Micro Expression Training. Now, there’s talk of using AI to analyze the human voice.
But does any of this even work? What are the inherent risks to relying on a single cue for detecting a lie, and how does that allow bias to creep into judgements of guilt and innocence?
Read the whole story (subscription may be required): NPR
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