Facial expression scanning unreliable for threat detection: researcher By Postmedia News Published Oct 05, 2011 3 minute read ...

A body language expert has produced a guide to reading people's facial expressions – when they are hidden behind a face mask. New research has revealed that 76 per cent of Brits struggle to read ...

In computational terms, a facial expression can encode information, and we've long wondered how the brain is able to decode this information so efficiently," he explained.