Extensions
l Specific language universals:
¡ Word-order universals. Why do languages tend to be consistently left- or
right-branching?
¡ Universal constraints on question formation, relative clauses, anaphora etc.
l What about creolisation?
¡ Need more sophisticated models of population dynamics.
l Where do the meanings come from?
¡ Models of meaning-formation and grounding during learning.
l Why is language specific to humans?
¡ Explore conditions for emergence of syntactic structure.
¡ Model the biological evolution of mechanisms required for iterated learning
itself.