I have begun to think about the significance of the particular language profiles of people with neuro-diverse profiles (schiophrenia, autism spectrum, aphasia, alheimer's). This is in collaboration with Wolfram Hinzen, and his GracLab, at UPF.
Following Hinzen's uncartesian ideas according to which language configures thought, it follows that the language of people with different types of thoughts will have a different language profile.
I am currently developing a formal typology for language variation that is based on variation in properties of the spine (including the interactional spine) rather than merely in the properties of UoLs (as is the case with language variation in neuro-typical populations. The Interactional Spine Hypothesis provides us with an ideal framework as these neuro-diversities are typically characterized as displaying differences in language and social cognition. At the same time, exploring language in neuro-diverse populations allows us to ask questions about the cognitive underpinnings of the (interactional) spine.