Madsen & Persson (2012) Contagious yawning in puppies
Madsen & Persson (2012) Contagious yawning in puppies Contagious yawning in domestic dog puppies (Canis lupus familiaris): The effect of ontogeny and emotional closeness on low-level imitation in dogs Elainie Alenkær Madsen* Tomas Persson*,∞ * Centre for Languages and Literature, Department of Semiotics, Lund University, Box 201, 221 00 Lund, Sweden ∞ Department of Cognitive Science, Lund Universi