Al parecer fue propuesta por Pinker. La diferencia vendría dada porque uno sería producto de la evolución cultural, mientras que otro de la evolución natural o genética.
Enlace al originalThey are “gadgets,” rather than “instincts” (Pinker, 1994), because, like many physical devices, they are products of cultural rather than genetic evolution. 1 New cognitive mechanisms—different ways of thinking—have emerged, not by genetic mutation, but by innovations in cognitive development. These novelties have been passed on to subsequent generations, not via genes, but through social learning; people with a new cognitive mechanism passed it on to others through social interaction. (Page 6)