Trauma memories are unique in that they are memories associated with a traumatic event or experience. They can differ from ordinary memories in a number of ways. Trauma memories tend to be vivid, fragmented, and intrusive, meaning they can intrude into your thoughts and emotions at unexpected times. They may also be accompanied by intense emotions, physical sensations, or even flashbacks, where you feel as if you are reliving the traumatic event.What are trauma memories? Can they be caused by ordinary events?