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Abstract

The fascinating question of the origins of human language is often approached by studying specific universal trends in language, such as the use of recursion (1), or the expression of predicate-argument structure (2). This article conducts such a case study for perspective reversal (as in English: your left versus my left) (3). It argues that this universal can be explained by hypothesising that individuals recruit cognitive subsystems into their language faculty (4) if doing so helps them to achieve greater communicative success with less cognitive effort. We present a model in the form of embodied robotic agents that play language games about events in their environments (5). The agents have basic capabilities to not only invent and negotiate perceptually grounded concepts and lexicons, but also to perform egocentric perspective transformation (6) and use it for language. In a breakthrough experiment we show how the model predicts that perspective marking is a better strategy for embodied gents in self-organized communication systems and hence why it has become a universal feature of human languages.

@unpublished{steels06markPerspective,
  author={Luc Steels and Martin Loetzsch and Benjamin Bergen},
  title={Why Human Languages Mark Perspective},
  year={2006},
  note={},
  url={http://www.isrl.uiuc.edu/~amag/langev/paper/steels06markPerspective.html}
}

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