Book Review: God's Brain by Lionel Tiger and Michael McGuirehttp://blogcritics.org/books/article/book-review-gods-brain-by-lionel/...they conclude that the purpose of religion is to "brainsoothe." In other words, religion exists to help the brain deal with both internal and external stress and anxiety, something they call "brainpain."
Tiger and McGuire are not the first to analyze the brain's role in religion. Some have argued that religion is an evolutionary tool so humans can cope with knowing death is inevitable, an awareness other species do not possess. Others debate whether the brain specifically originated religion or if it is simply the result of neural connections that evolved for other purposes. Still others question the whole idea that religion may be "hardwired" into the brain, containing it is simply a sociological adaptation. Tiger, a professor of anthropology, and McGuire, a psychiatrist and neuroscientist, combine their expertise and ultimately conclude the brain is both the source and principal beneficiary of religion.
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Essentially, McGuire and Tiger see religion as a coping mechanism for the brain to deal with anxiety, fear, and stress. They argue that the socialization, rituals and beliefs that make up religion help the brain alter itself, to "brainsoothe." To some extent, their contention turns religion into a self-sustaining system. "As oxygen is to air, guilt is to religion," they observe. Yet what is one way the brain copes with guilt? Through religious ritual, such as Catholic confession, and belief, such as the forgiveness of sins.
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