One early piece of behavioral evidence to suggest that short term memory and long term memory are distinct systems was Group of answer choices organizing the content during the study phase thematically facilitated transferring the information into long-term memory items at the end of a studied list were most often forgotten that H. M. could learn the mirror tracing task even though he had no conscious recollection of having been trained on it the serial positive curve in which recall probability was a U-shaped function of the position of the item the studied list