It's a primitive form of abstraction, and we now know this happens in the fusiform gyrus of the brain, because when that's damaged, these people lose the ability to engage in Bouba Kiki, but they also lose the ability to engage in metaphor.
To je primitivan oblik apstrakcije, i sada znamo da se on zbiva u vretenastoj vijugi mozga zato što kada je on oštećen, ovi ljudi gube sposobnost da izvedu Buba Kiki, ali također gube sposobnost za metaforu.