Gallup, Andrew C Contagious yawning in virtual reality is affected by actual, but not simulated, social presence. [electronic resource] - Scientific reports 01 2019 - 294 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 2045-2322 Standard No.: 10.1038/s41598-018-36570-2 doi Subjects--Topical Terms: AnimalsCuesHumansInterpersonal RelationsVirtual RealityYawning--physiology