why do our bodies produce tells and signals when we lie?
In: Biology
Lying is stressful!
Not only are people conditioned by society not to lie, but the situation that you feel requires a lie (whether that be a small lie such as “you look great in that dress” or a big one like “I did not kill that man”) is generally a stressful one. Furthermore, you’re often thinking about what will happen if you’re caught in it.
In other words, they’re not lie signals at all- they’re stress signals. And humans are social creatures for whom stress signals form an important part of social signaling.
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