To The Brain, God Is Just Another Guy : NPR

To The Brain, God Is Just Another Guy : NPR: "The Origins Of Religion
Grafman says that probably means religions appeared as humans evolved the ability to handle complicated social interactions during the past 60,000 years or so.
Joseph Bulbulia, an expert on the cognitive psychology of religion at Victoria University in New Zealand, says most evidence of religious behavior only dates back about 10,000 years, raising questions about why humans didn't become religious sooner.
But he agrees that religious belief probably had a role in human evolution because it has helped societies survive and thrive for thousands of years."