Abstract
In his seminal The Expression of the Emotions in Man and Animals Darwin explained how the expression of emotions evolved from functional motions. One of his most subtle discoveries was that some expressions come about from the reversal of other expressions. For example, clenching the fists in preparation for attack is reversed in the expression of resignation, to yield the stretching open of the palms. The aim of this article is to explain the origin of this phenomenon, namely to find its functional origin.
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References
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Aharoni, R. The Origin of Antithetical Expressions. Biol Theory 17, 250–252 (2022). https://doi.org/10.1007/s13752-022-00412-2
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DOI: https://doi.org/10.1007/s13752-022-00412-2