Memory amplification for trauma: Investigating the role of analogue PTSD symptoms in the laboratory |
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| Institution: | 1. Flinders University, Adelaide, Australia;2. John Jay College of Criminal Justice, CUNY, USA;1. Clinical Stress and Emotion Laboratory, Division of Clinical Psychology, Psychotherapy, and Health Psychology, University of Salzburg, Salzburg, Austria;2. Department of Psychology, University of Salzburg, Salzburg, Austria;3. Center for Cognitive Neuroscience, University of Salzburg, Salzburg, Austria;4. Neuroscience Institute, Christian-Doppler-Clinic, Paracelsus Medical University Salzburg, Salzburg, Austria;5. Max Planck Institute of Psychiatry, Department of Translational Research in Psychiatry and Neuroimaging, Munich, Germany;1. Flinders University, School of Psychology, GPO Box 2100, Adelaide, 5001 SA, Australia;2. John Jay College of Criminal Justice, CUNY, Department of Psychology, 445 West 59th St, New York, NY 10019, USA;3. University of Victoria, Department of Psychology, P.O. Box 1700 STN CSC, Victoria, B.C. V8W 2Y2, Canada;1. Section Forensic Psychology, Maastricht University, Maastricht, The Netherlands;2. Psychology Faculty, Binghamton University, New York, United States |
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| Abstract: | Victims of trauma often remember their experience as being more traumatic later, compared to immediately after, the event took place. This finding—the “memory amplification effect”—is associated with increased re-experiencing symptoms. However, the effect has been found almost exclusively in field-based studies. We examined whether the effect could be replicated in the laboratory. In two studies, we exposed participants to negative photographs and assessed their memory for the photographs and analogue PTSD symptoms on two occasions. In Study 1, analogue symptoms at follow-up were positively associated with remembering more negative photos over time. In Study 2, we focused on “memory amplifiers”: people whose memory of the photos amplified over time. Consistent with field research, analogue re-experiencing symptoms were associated with memory amplification. Overall, our findings confirm that analogue PTSD symptoms are also associated with an amplified memory for a trauma analogue. |
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| Keywords: | Memory Analogue PTSD Intrusive thoughts |
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