New study highlights difficulty in detecting threats in crowds

Understanding and interpreting facially-expressed emotions such as happiness, sadness, fear or anger is something most of us take for granted. It is an evolutionary skill we've developed in order to survive - particularly in those situations where we perceive there is a potential threat.

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<p><a href="http://www.physorg.com/news133623732.html">New study highlights difficulty in detecting threats in crowds</a></p> <p>Understanding and interpreting facially-expressed emotions such as happiness, sadness, fear or anger is something most of us take for granted. It is an evolutionary skill we've developed in order to survive - particularly in those situations where we perceive there is a potential threat. </p>