Contagious yawning in gelada baboons as a possible expression of empathy

From monkey mirror neurons to primate behaviours: possible 'direct' and 'indirect' pathways

(2009) P. F. Ferrari et al.   PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES

Computer animations stimulate contagious yawning in chimpanzees

(2009) M. W. Campbell et al.   PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES

Capuchin Monkeys Display Affiliation Toward Humans Who Imitate Them

(2009) A. Paukner et al.   SCIENCE

Yawning and thermoregulation in budgerigars, Melopsittacus undulatus

(2008) Andrew C. Gallup et al.   ANIMAL BEHAVIOUR

Imitation, Empathy, and Mirror Neurons

(2008) Marco Iacoboni   Annual Review of Psychology

Dogs catch human yawns

(2008) R. M Joly-Mascheroni et al.   Biology Letters

Dominance and Affiliation Mediate Despotism in a Social Primate

(2008) Andrew J. King et al.   CURRENT BIOLOGY

Contagious yawning and the frontal lobe: An fMRI study

(2008) Fatta B. Nahab et al.   HUMAN BRAIN MAPPING

Yawning and thermoregulation

(2008) Andrew C. Gallup et al.   PHYSIOLOGY & BEHAVIOR

Putting the Altruism Back into Altruism: The Evolution of Empathy

(2007) Frans B.M. de Waal   Annual Review of Psychology