In Brief Research shows that by constantly distracting us, the Internet affects cognitive performance but does not radically alter our brains.

from https://www.scientificamerican.com/article/are-digital-devices-altering-our-brains/
https://static.scientificamerican.com/sciam/cache/file/EA91AD88-FD38-4ECE-A77DDA5BC6F138B4.jpg?w=590&h=393&7E9A3E10-1C57-4D92-975DA11BFF60255C