18 mars 2015

Les religions sont-elles une cause ou un produit des premières civilisations?

Une nouvelle étude révèle que les premières civilisations complexes ne se sont pas développées grâce aux croyances en des dieux tout-puissants. Au contraire, c'est seulement plus tard que les élites religieuses ont créé ces êtres puissants qui observent et punissent afin de consolider leur pouvoir et leur emprise sur la société.

Extraits de l'article:

All human societies have been shaped by religion, leading psychologists to wonder how it arose, and whether particular forms of belief have affected other aspects of evolved social structure. According to one recent view, for example, belief in a "big God"—an all-powerful, punitive deity who sits in moral judgement on our actions—has been instrumental in bringing about social and political complexity in human cultures.

But a new analysis of religious systems in Austronesia—the network of small and island states stretching from Madagascar to Easter Island—challenges that theory. In these states, a more general belief in supernatural punishment did tend to precede political complexity, the research finds, but belief in supreme deities emerged after complex cultures have already formed.

Joseph Watts, a specialist in cultural evolution at the University of Auckland in New Zealand, who worked on the study, wanted evidence to examine the idea that "big Gods" drive and sustain the evolution of big societies. Psychologist Ara Norenzayan at the University of British Columbia in Vancouver, Canada, has suggested that belief in moralizing high gods (MHGs) enabled societies to outgrow their limited ability to police moral conduct, by threatening freeloaders with retribution even if no-one else noticed their transgressions.

The most common examples of religions with MHGs—Christianity and Islam, the dominant representatives of so-called Abrahamic religions—are relatively recent and obviously postdated the appearance of complex societies. But the question is whether earlier MHGs, for example in Bronze Age civilisations, catalysed sociopolitical complexity or resulted from it.

(...) The team considered two classes of religion: MHGs and a broader belief in systems of supernatural punishment (or 'BSP') for social transgressions, such as those enacted through ancestral spirits or inanimate forces such as karma. Although both schemes see religious or supernatural agents as imposing codes of moral conduct, BSP does not assume a single supreme deity who oversees that process.

(...) “Although beliefs in MHGs do coevolve with political complexity, [the] beliefs follow rather than drive political complexity,” the researchers say. For BSPs, however, the beliefs seem to help political complexity to emerge, although by no means guarantee it.

“I think the ordering of events these authors prefer is what one expects from first principles,” says evolutionary biologist Mark Pagel of the University of Reading, UK. He says that societies became more politically complex as networks of trade and reputation emerged, and that the key to this process was language, not religion.

So what are MHGs for? “They are tools of control used by purveyors of religion to cement their grip on power,” says Pagel. “As soon as you have a large society generating lots of goods and services, this wealth can be put to use by someone who can grab the reins of power. The most immediate way to do this is to align yourself with a supreme deity and then make lists of things people can and cannot do, and these become ‘morals’ when applied to our social behaviour.”

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