I have not had a chance to do more than scan this paper, and I can't begin to judge how much I agree or disagree with it, but it looks like a good addition to our collection of articles on Preconceptions:
https://www.academia.edu/5775862/Method…=download-paper
Also now in the Epicureanfriends file-base here: Morel - "Method and Evidence: On Epicurean Preconception"