I can’t embed this video but it’s a wonderful documentary of about 52 minutes. This is neuroplasticity at work to be totally secular about it. We can change our brains.
Mystical Brain reveals the exploratory work of a team from the University of Montreal who seek to understand the states of grace experienced by mystics and those who meditate. Filmmaker Isabelle Raynauld offers up scientific research, which proposes that mystical ecstasy is a transformative experience and could to contribute to people’s psychic and physical health, treat depression and speed up the healing process when combined with conventional medicine. In French with English subtitles.