@John David Smith

John, thank you for your thoughts here. It is interesting that you picked up that I am looking for a cognitive change. I suppose I am looking to understand how this cognitive change feels, and how that gets linked with the change in perspective. Interesting . . . I need to consider this a bit more.

Thank you also for the references; I will have to dig them out.

I have always been interested in transformative learning and perspective transformation, though in exploring it from the perspective of threshold concepts, I am wondering about those challenging situations that seem to be commonly faced by those in a discipline, with various shades of meaning-making the end-result.

Great idea about interviewing the pair. Hmm, that smells more like a doctoral thesis idea than I think I can handle for now! Really good idea, but I want to see if the former exists at all first . . .

Jeffrey