Whether tender or playful, caresses are universally cherished. But why do they feel so extraordinary? Researchers at University College London have pinpointed the reason: the skin of loved ones seems exceptionally soft due to a perceptual illusion, as detailed in a study published in the journal Current Biology.
Participants caressed their own arms followed by their partner's, revealing that the heightened softness sensation arises from our nervous system. This clever mechanism amplifies sexual desire and pleasure during intimate touch.
"This illusion reveals a vital unconscious brain process," explains Dr. Aiketerini Fotopoulou, the study's lead researcher. "Whether the partner's skin is truly softer or not, giving pleasure through caresses returns it to us." A brilliant evolutionary adaptation!