It is argued that memory for traumatic events is similar to that for other
distinctive, personally significant events regardless of whether they are a
ffectively positive or negative. Examined in this light, the focus now shif
ts to the role of individual differences in neurobiological, social, cognit
ive, and constitutional factors that conspire to determine long-term retent
ion of significant autobiographical experiences. What is known about these
factors in determining memorability is reviewed, issues of measurement inad
equacies discussed, and recommendations for further research outlined.