Corduroy, velvet, denim. Leather, silk, a rock. Bubble wrap, fake fur, burlap. Not a list of supplies for a craft project, but a list of things with different textures—but if you felt each, with your fingers or on the soles of your feet, would they just be so many sensory sensation? Or might one say “security” to you, or one make you agitated, even angry? Does touching certain textures evoke certain emotions in you?
If so, you may have “tactile-emotion synesthesia.” Synesthesia is an “involuntary joining in which the real information of one sense is accompanied by a perception in another …read more

Mulling over the signs of sensory dysfunction(?) in Charlie this year, the hands over the ears (more of htis a few months ago) and all the recent squinting (right eye especially), I’ve been thinking about synesthesia, which is (according to this MIT site):
involuntary joining in which the real information of one sense is accompanied by a perception in another sense.
Someone with synesthesia might see certain letters or numbers as having certain colors or textures, as Daniel Tammet writes in his book Born on a Blue Day: A Memoir of an Extraordinary Mind. Researchers at CalTech have recently discovered auditory …read more