We humans communicate a great deal via our facial expressions and body language. While I usually assume that most such behavior is adaptive – evolved in detail to achieve important ends, some argue that much of this in unwanted leakage – that such expressions reveal stuff about ourselves often against our interests. Studies of liars, however, suggest that there is much less unwanted leakage than most people think:
Words Show Lies
Words Show Lies
We humans communicate a great deal via our facial expressions and body language. While I usually assume that most such behavior is adaptive – evolved in detail to achieve important ends, some argue that much of this in unwanted leakage – that such expressions reveal stuff about ourselves often against our interests. Studies of liars, however, suggest that there is much less unwanted leakage than most people think:
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