>>10881788 >SOMe PEOPLE fINd It dIFFiCULt to unDErSTand HOW wE can SEE THe WORlD pROPERLY WHEn THe imAGe is UpSIDe doWn. thE rIghT waY To tHinK AboUT thIs Is TO AdOpt a compuTaTIonAl pErSpEctIVe. wE do NOt PErceIvE wHAt iS oN thE ReTINa; insTEad, a PeRcepT is fOrmed THroUgH a CoMpLeX ChaIN OF nEURAl coMPuTatiONS. A ConTROl cOMPutEr DoES NOt CARe which WAY IS Up, aND invErsioN of tHe ImAgE is tHE lEAST of ThE BRAIN'S cOmputaTiOnAL pRObLeMs.