Dogs can discriminate human smiling faces from blank expressions

Discrimination of human and dog faces and inversion responses in domestic dogs (Canis familiaris)

(2009) Anaïs Racca et al.   ANIMAL COGNITION

What did domestication do to dogs? A new account of dogs' sensitivity to human actions

(2009) Monique A. R. Udell et al.   BIOLOGICAL REVIEWS

Are dogs sensitive to the emotional state of humans?

(2009) Ayako Morisaki et al.   Journal of Veterinary Behavior-Clinical Applications and Research

Intermodal representation in dogs

(2009) Akiko Takaoka et al.   Journal of Veterinary Behavior-Clinical Applications and Research

Left gaze bias in humans, rhesus monkeys and domestic dogs

(2008) Kun Guo et al.   ANIMAL COGNITION

Dog's gaze at its owner increases owner's urinary oxytocin during social interaction

(2008) Miho Nagasawa et al.   HORMONES AND BEHAVIOR