Some articles on neotenized:

Neoteny - In Humans - Between Races and Among Primates
... of racial neoteny, "Asians", not whites, are "clearly" the most neotenized human race ... the "Mongoloid skull, whether Chinese or Japanese" is the most neotenized human skull ... Montagu further claimed that the "European" skull was less neotenized than the Mongoloid, with the "Australian Aborigine" skull less neotenized than the European and the Neanderthal skull ...