脳年齢テスト01 脳トレ瞬間記憶 Calculate your mental age by clicking the numbers in increasing order. Me: 20 brain years old. Yay! 脳年齢テスト01 脳トレ瞬間記憶 Share this:Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to email a link to a friend (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on LinkedIn (Opens in new window) Published by Christopher Null Christopher Null is a veteran technology journalist and the owner of Null Media, a custom blogging company. View all posts by Christopher Null