There is debate among supporters of the hypothesis about the shape of the curve for events and facts that are more significant to the subject . Some supporters , for example , suggest that memories of shocking events such as the Kennedy Assassination or 9/11 are vividly imprinted in memory ( flashbulb memory ) . Others have compared contemporaneous written recollections with recollections recorded years later , and found considerable variations as the subject 's memory incorporates after-acquired information . There is considerable research in this area as it relates to eyewitness identification testimony . Eyewitness accounts are demonstrably unreliable
9/11
September 11 attacks
Forgetting curve