Michalak, N. M., Sng, O., Wang, I., & Ackerman, J. (2020, May 14). Sounds of sickness: Can people identify infectious disease using sounds of coughs and sneezes?. https://doi.org/10.1098/rspb.2020.0944

Affect is important to "human interactional intelligence" (139). Here empathy merely means being alive to the presence of affect. Not just being empathetic to positive affects, which is opposed to the negative affects (meaning that sociality does not mean "liking").