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fMRI scans show that the brain activation areas of granny sex doll lovers are different from those of conventional sexual stimulation. When touching a sex doll torso with age spot texture, the activity intensity of its orbitofrontal cortex is 2.3 times that of ordinary users. This area is usually associated with moral judgment and social norms. Neuroscientists speculate that this may be due to the compound pleasure brought by taboo violations. A controlled experiment in a German laboratory confirmed that after using a modified version of the granny sex doll (removing age characteristics), the dopamine secretion of the subjects decreased by 61%. The particularity of this neural mechanism makes it too arbitrary to simply classify it as a "special fetish". |
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