All memory is a reconstruction influenced by many factors present both at the time of the events and at the moment of memory. Numerous studies have found that mood (Eich & Metcalf 1989), external cues (Godden & Baddeley 1975; Loftus 1975; Loftus & Hoffman 1989; Manier, Piers, Greenstein & Hirst 1992), and cognitive encoding strategies (Tulving & Thomson 1993; Johnson, Raye, Foley & Foley 1981) can modify the details of memory for ordinary and traumatic events