The case for a principia neurotheologica -- Definitions in neurotheology -- The principle of interaction between neuroscience and theology -- General principles of neurotheological investigations -- Toward a neurotheological hermeneutic -- Principles relating to the methods of neurotheological research -- Physiological and phenomenological correlates of spiritual practices -- Reflections on major topics of neuroscience -- Reflections on major topics of theology -- Epistemological issues in neurotheology