▁as ▁H M . ▁ ▁The ▁main ▁character ▁Leonard ▁suff ers ▁from ▁an ter og rade ▁am nes ia ▁after ▁a ▁tra um atic ▁attack ▁in ▁which ▁his ▁wife ▁dies . ▁ ▁He ▁maintain s ▁his ▁identity ▁and ▁shows ▁very ▁little ▁retro grade ▁am nes ia . ▁ ▁He ▁also ▁displays ▁some ▁of ▁the ▁daily ▁memory ▁problems ▁that ▁are ▁experiences ▁by ▁most ▁am nes ics , ▁such ▁as ▁forget ting ▁names ▁or ▁where ▁he ▁is ▁going . ▁Another ▁fairly ▁accurate ▁port ray al ▁of ▁memory ▁dist urban ces ▁is ▁the ▁non - human ▁character ▁D ory ▁in ▁F inding ▁N emo ▁( 2 0 0 3 ). ▁ ▁This ▁fish , ▁like ▁Leonard , ▁shows ▁memory ▁problems ▁faced ▁by ▁most ▁am nes ics ▁where ▁she ▁forget s ▁names , ▁has ▁difficulty ▁storing ▁and ▁recall ing ▁information , ▁and ▁often ▁forget s ▁what ▁she ▁is ▁doing , ▁or ▁why ▁she ▁is ▁doing ▁something . ▁ ▁Mov ies ▁tend ▁to ▁show ▁am nes ia ▁as ▁a ▁result ▁of ▁head ▁injury ▁from ▁acc idents ▁or ▁attacks . ▁ ▁The ▁loss ▁of ▁identity ▁and ▁aut obi ographical ▁memory ▁shown ▁in ▁Santa ▁Who ? ▁( 2 0 0 0 ) ▁in ▁which ▁Santa ▁suff ers ▁from ▁am nes ia ▁that ▁dest ro ys ▁his ▁identity ▁and ▁memory ▁of ▁himself ▁is ▁very ▁unlikely ▁in ▁the ▁real ▁world . ▁ ▁This ▁is ▁also ▁port rayed ▁in ▁The ▁Bour ne ▁Identity ▁( 2 0 0 2 ) ▁and ▁The ▁Bour ne ▁Sup rem acy ▁( 2 0 0 4 ) ▁where