Empathy refers, in the broadest sense, an emotional reaction to (or understandingof) another person’s feelings. In experimental settings, empathy is often studiedby presenting a stimulus relating to one person (e.g. an image or description ofsomeone in distress) and measuring their response in various ways (brain activity,subjective report, bodily response). It is also possible to measure indi vidualdifferences in empathy, i.e. the tendency for different people to respond empathic -ally, and this is most frequently done via questionnaire (Davis, 1980). From firstprinciples, empathy could be related to either mirroring or mentalizing mechanismsor both. However, research on empathy typically differs from that done withtheory-of-mind in that the latter tends to directly probe knowledge of mental states(e.g. what does Sally think?”), whereas studies on empathy tend not to.