Why Are Most Humans Religious? Professor Robin Dunbar
ROCKING OUR PRIORS
Social Grooming in Primates
Social grooming triggers a very specialized neural system that sits directly under the skin as it were. The movement of the hand across the skin and across the hair follicles of the fur, triggers this highly specialized neural system. That is light, slow stroking at exactly three centimeters a second,. which is the speed of hand movements you get when you stroke somebody or groom them. And that triggers the endorphin system in the brain like crazy. It creates a sense of warmth and relaxation, coziness with the world, and trust in the person you're doing it with.
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