Children, but not chimpanzees, have facial correlates of determination

Bonobos Respond to Distress in Others: Consolation across the Age Spectrum

(2013) Zanna Clay et al.   PLoS One

A Novel Method Testing the Ability to Imitate Composite Emotional Expressions Reveals an Association with Empathy

(2013) Justin H. G. Williams et al.   PLoS One

Origins of Human Cooperation and Morality

(2012) Michael Tomasello et al.   Annual Review of Psychology

Pro-sociality without empathy

(2012) M. Vasconcelos et al.   Biology Letters

What can other animals tell us about human social cognition? An evolutionary perspective on reflective and reflexive processing

(2012) E. E. Hecht et al.   Frontiers in Human Neuroscience

Socioecological correlates of facial mobility in nonhuman anthropoids

(2009) Seth D. Dobson   AMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY

Reciprocal Face-to-Face Communication between Rhesus Macaque Mothers and Their Newborn Infants

(2009) Pier Francesco Ferrari et al.   CURRENT BIOLOGY

The facial expression musculature in primates and its evolutionary significance

(2008) Anne M. Burrows   BIOESSAYS