edited by Angelo Cangelosi (University of Plymouth, UK) , Andrew D M Smith (University of Edinburgh, UK) , & Kenny Smith (University of Edinburgh, UK)

This volume comprises refereed papers and abstracts from the 6th International Conference on the Evolution of Language (EVOLANG6). The biennial EVOLANG conference focuses on the origins and evolution of human language, and brings together researchers from many disciplines including anthropology, archaeology, artificial life, biology, cognitive science, computer science, ethology, genetics, linguistics, neuroscience, palaeontology, primatology, and psychology.

The collection presents the latest theoretical, experimental and modeling research on language evolution, and includes contributions from the leading scientists in the field, including T Fitch, V Gallese, S Mithen, D Parisi, A Piazza & L Cavali Sforza, R Seyfarth & D Cheney, L Steels, L Talmy and M Tomasello.

• The Mirror System Hypothesis: From a Macaque-Like Mirror System to Imitation (M A Arbib et al.)
• Language Learning, Power Laws, and Sexual Selection (T Briscoe)
• On the Emergence of Compositionality (J de Beule & B K Bergen)
• Simulation Model for the Evolution of Language with Spatial Topology (C Di Chio & P Di Chio)
• A Comparison of the Articulatory Parameters Involved in the Production of Sound of Bonobos and Modern Humans (D Demolin & V Delvaux)
• Innateness and Culture in the Evolution of Language (M Dowman et al.)
• Proto-Propositions (J R Hurford)
• Language Co-Evolved with the Rule of Law (C Knight)
• and other papers