Refer to Spirituality under Care of the Brain—although it is acknowledged that spirituality and religion are separate concepts.
Extensive research showed that children who grow up in fundamentalist families do tend to obey the authorities and follow rules. However, they also tend to be self-righteous, prejudicial, and condemnatory toward people outside their group. They tend to develop an ‘us versus them’ mentality that many maintain throughout life. Fundamentalist congregations tend to experience a 50 percent dropout rate among members. (Altemeyer, B., and B. Hunsberger. “Fundamentalism and authoritarianism” Handbook of the Psychology of Religion and Spirituality. NY:Guilford, 2005)