This is actually a reprise of a marvelous question from the old days of Ask.com...it was 2011...
It has to do with brain research...that no matter how scrambled the words, our splendid brains seem to work it out...and so your mission should you choose,
(1) can you read this, and
(2) do you know the name for this kind of scrambling?
"I cdn'uolt blveiee taht I cluod aulaclty uesdnatnrd waht I was rdanieg: the phaonmneel pweor of the hmuan mnid. Aoccdrnig to a rseearch taem at Cmabrigde Uinervtisy, it deosn't mttaer in waht oredr the ltteers in a wrod are, the olny iprmoatnt tihng is taht the frist and lsat ltteer be in the rghit pclae. The rset can be a taotl mses and you can sitll raed it wouthit a porbelm. Tihs is bcuseae the huamn mnid deos not raed ervey lteter by istlef, but the wrod as a wlohe. "