Read the message below as fast as you can, preferably aloud, not stoping if you notice something strange.
Studies of huamn percepiton of wrtien maetrial, condcuted in one of the Btirish unviericties, inidacte taht the odrer of letetrs in a gievn wdor deos not play a mjaor prat wehn soemhting is read. Hoewevr, it is imorptant taht the first and the last letetrs are on thier places. The midlde alhpbaets, on the conortary, can be in a copmelte disarary; the txet cuold sitll be raed wihtuot mnay difiifuctlies .The reaosn for tihs is the fcat taht we do not anaylse each letetr one by one but hnadle the wrod as a wohle uint.
An exmpale for such a phnemoneon is gvien in the txet aobve. If it is raed solwly, it wuold be exrtemly hrad to unedsrtand.