Sociolinguist Gavin Lamb examines how people use language to build social relationships with non-human beings, like dogs. He cites the research of Alexandra Horowitz, a dog-cognition scientist who studied verbal human-dog interaction. Some interesting findings:
1. Humans use dog-directed parentese for attention-getting, positive-affect, using a higher pitch, like we might for babies/toddlers.
2. Talking to dogs serves as a social lubricant for starting up conversations, or diffusing tense situations with other humans.
3. Asking rhetorical, unanswerable questions, e.g. "What's up, buddy?": an example of phatic communication, which is not information-driven, but which helps establish or maintain social relationships. The language serves a socio-pragmatic, rather than denotative function.