This has always been something I’ve assumed is normal, but I’ve never heard it articulated, so now I’m wondering if it’s some kind of synesthenia peculiar to me.
I have a “center” to certain parts of my body. Pressure there with a fingernail or other relatively sharp object feels symmetrical, “just right”, or “satisfying”. Similar pressure nearby, but not on, that point feels asymmetric.
These spots are very specific and very small - less than a quarter-inch across. Those that I can currently identify are:
[ul][li]The top middle of my head (not the crown of my hair)[/li][li]The center of my chin, halfway between the lips and the bottom of the chin[/li][li]The insides of my elbows[/li][li]The centers of the wrist joint on the outer parts of the wrists[/li][li]The centers of the palms of my hands[/li][li]The centers of the backs of my knees[/li][li]The middles of the joints just below my kneecaps[/li][li]The centers of the soles of my feet[/ul]There are none I can find on my face, back, buttocks, or genitals. It feels like there should be one on the back of my neck, but I can’t find it.[/li]
Does anyone else experience this? If so, what causes it (clusters of nerve endings?)? Is there a name for it?