It is known that COMT (catechol-O-methyltransferase) Val158Met gene polymorphism is involved in the perception and processing of physical pain, as well as emotional faces. However, it is not yet clear whether this gene also influences the processing of other individuals' pain reactions. We investigated whether COMT gene polymorphism mediates individual differences in the processing of others' pain and whether these individual differences influence subsequent processing of others' emotional reactions. Twenty-s…
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