shrinkage result the feeling of a religious experience?
https://www.scientificamerican.com/article/religious-experiences-shrink-part-of-brain/
The results showed significantly greater hippocampal atrophy in individuals reporting a life-changing religious experience. In addition, they found significantly greater hippocampal atrophy among born-again Protestants, Catholics, and those with no religious affiliation, compared with Protestants not identifying as born-again.