Tomas Rees runs a really interesting blog called [epiphenom] the science of belief and non-belief. Well worth visiting. This article reminded me of an earlier article of mine linking autistic people with a lack of belief. If you are an instinctive thinker, it seems, you are more likely to believe in God:

Late last year some fascinating research revealed that people who take a more deliberative approach to problem solving – rather than just going with their instincts – are also less religious.