The Pinocchio effect?

• Position: Psychology - Nose - Brief article

Pinocchio, the boy whose nose grew when he lied, was a fictional character. But a new study suggests that your nose really does change when you fib. Graduate students at the University of Granada in Spain discovered that subjects who were telling lies experienced a jump in temperature near the nose and in a muscle in the inner corner of the eye. They also noticed a drop in facial temperature in people performing difficult mental tasks.

The study is one of the first to combine thermography-a technique for measuring and recording body heat that was...