I suffer more from your pain when you act like me: being imitated enhances affective responses to seeing someone else in pain
Cognitive Affective & Behavioral Neuroscience (2013) - Comment
pubmed: 23625720  doi: 10.3758/s13415-013-0168-4  issn: 1530-7026  issn: 1531-135x 

Lize De Coster, Bruno Verschuere, Liesbet Goubert, Manos Tsakiris, Marcel Brass