Dr. Garry Nolal academic paper on UFO exposure effects

I’m trying to find an academic paper where Garry Nolan published his results on his study on what exposure to the phenomenon does to the human brain. He said it enlarges or thickens one specific part of it and that trait is passed down through families. I can’t find more specifics about what part of the brain that was, and what it does exactly to that part. I feel like I’ve found it before, but the search engines appear to have had a lot of their results removed.