As anything the aesthetic its depend of how the procedure is done investigating a little more i found these images
it not the same this:
https://1.bp.blogspot.com/-OK2tQvkS...GgeNqZz-AXnACLcB/s1600/mangbetu-people-15.jpg
https://3.bp.blogspot.com/-uYXLuKKL...e0glvP1TcS2gCLcB/s1600/mangbetu-people-16.jpg
https://s.hswstatic.com/gif/stufftoblowyourmind-23-2014-11-elongatedskull2.jpg (in this one we see a kid in the start of the procedure)
mangbetu people of conga the practice died in the 1960, there could be around people alive still with elongated skull but i couldn´t get more modern images and/or studies of IQ development
That this:
https://upload.wikimedia.org/wikipedia/commons/4/4e/«_déformation_toulousaine_»_MHNT.jpg
(French Toulouse peasant)
So depend of how the culture develop i could see it until the modern world, maybe with a Tahuantinsuyo surviving to the present day, the practices was widely popular in Pre-Spanish Peru so i see little motive why a surviving Tahuantinsuyo wouldn´t maintain the practices in special if they enter in conflict with the Spanish as a form to identified and diferentiate themselves from the conquered tribes under the Spanish control
it not the same this:
https://1.bp.blogspot.com/-OK2tQvkS...GgeNqZz-AXnACLcB/s1600/mangbetu-people-15.jpg
https://3.bp.blogspot.com/-uYXLuKKL...e0glvP1TcS2gCLcB/s1600/mangbetu-people-16.jpg
https://s.hswstatic.com/gif/stufftoblowyourmind-23-2014-11-elongatedskull2.jpg (in this one we see a kid in the start of the procedure)
mangbetu people of conga the practice died in the 1960, there could be around people alive still with elongated skull but i couldn´t get more modern images and/or studies of IQ development
That this:
https://upload.wikimedia.org/wikipedia/commons/4/4e/«_déformation_toulousaine_»_MHNT.jpg
(French Toulouse peasant)
So depend of how the culture develop i could see it until the modern world, maybe with a Tahuantinsuyo surviving to the present day, the practices was widely popular in Pre-Spanish Peru so i see little motive why a surviving Tahuantinsuyo wouldn´t maintain the practices in special if they enter in conflict with the Spanish as a form to identified and diferentiate themselves from the conquered tribes under the Spanish control