2 January 2019

Independent: These are the psychological reasons why people are religious

A more recent psychological explanation is the idea that our evolution has created a “god-shaped hole” or has given us a metaphorical “god engine” which can drive us to believe in a deity. Essentially this hypothesis is that religion is a by-product of a number of cognitive and social adaptations which have been extremely important in human development. [...]

Our relationships depend on being able to predict how others will behave across situations and time. But the things that we form attachments to don’t necessarily need to be in front of us to predict their actions. We can imagine what they would do or say. This ability – known as cognitive decoupling – originates in childhood through pretend play. It is a small leap from being able to imagine the mind of someone we know to imagining an omnipotent, omniscient, human-like mind – especially if we have religious texts which tell of their past actions. [...]

In addition to these psychological aspects, the ritual behaviour seen in collective worship makes us enjoy and want to repeat the experience. Dancing, singing and achieving trance-like states were prominent in many ancestral societies and are still exhibited by some today – including the Sentinelese people, and Australian aborigines. As well as being acts of social unity, even more formal rituals also alter brain chemistry. They increase levels of serotonin, dopamine, and oxytocin in the brain – chemicals that make us feel good, want to do things again and provide a closeness to others.

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