Background
HM had surgery to cure his epliepsy-removed his hippocampus
What did removing his hippocampus do?
Led to him being unable to make new long term memories (both E&S ie he learned no new words)
What was unaffected?
His procedural memory worked (mirror drawing task which he improved on with practice)
STM +LTM
He could still use STM as long as rehearsal was maintained but couldn’t pass to LTM