Besides losing most of his memories from the previous decade, H.M. was unable to form new ones, forgetting what day it was, repeating comments, and even eating multiple meals in a row.
Pe lângă pierderea multor amintiri din ultimii 10 ani, H.M. nu mai putea forma altele noi, uita ce zi este, repeta comentarii și chiar mânca de mai multe ori la rând.