The Null Device

Human skin has special caress nerves

Humans were biologically meant to be hugged, it appears. Scientists have discovered that the human skin has a special network of nerves whose sole purpose seems to be to feel pleasurable touches. The C-tactile (CT) nerves are independent from the normal touch receptors and operate at a slower rate; they hook into the unconscious aspect of touch, giving pleasure when stimulated.

"It must be used for unconscious aspects of touch because it is so slow," says Håkan Olausson, who led the study at the Department of Clinical Neurophysiology at Sahlgrenska University Hospital, Sweden. "It seems the CT network conveys emotions, or a sense of self."

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