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Failing to Forget : Inhibitory-Control Deficits Compromise Memory Suppression in Posttraumatic Stress Disorder
| Content Provider | SAGE Publishing |
|---|---|
| Author | Catarino, Ana Küpper, Charlotte S. Werner-Seidler, Aliza Dalgleish, Tim Anderson, Michael C. |
| Copyright Year | 2015 |
| Abstract | Most people have experienced distressing events that they would rather forget. Although memories of such events become less intrusive with time for the majority of people, those with posttraumatic stress disorder (PTSD) are afflicted by vivid, recurrent memories of their trauma. Often triggered by reminders in the daily environment, these memories can cause severe distress and impairment. We propose that difficulties with intrusive memories in PTSD arise in part from a deficit in engaging inhibitory control to suppress episodic retrieval. We tested this hypothesis by adapting the think/no-think paradigm to investigate voluntary memory suppression of aversive scenes cued by naturalistic reminders. Retrieval suppression was compromised significantly in PTSD patients, compared with trauma-exposed control participants. Furthermore, patients with the largest deficits in suppression-induced forgetting were also those with the most severe PTSD symptoms. These results raise the possibility that prefrontal mechanisms supporting inhibitory control over memory are impaired in PTSD. |
| Related Links | https://journals.sagepub.com/doi/pdf/10.1177/0956797615569889?download=true |
| Starting Page | 604 |
| Ending Page | 616 |
| Page Count | 13 |
| ISSN | 09567976 |
| Issue Number | 5 |
| Volume Number | 26 |
| Journal | Psychological Science (PSS) |
| e-ISSN | 14679280 |
| DOI | 10.1177/0956797615569889 |
| Language | English |
| Publisher | Sage Publications CA |
| Publisher Date | 2015-04-06 |
| Publisher Place | Los Angeles |
| Access Restriction | Open |
| Rights Holder | © The Author(s) 2015 |
| Subject Keyword | trauma inhibitory control forgetting PTSD thought control memory suppression |
| Content Type | Text |
| Resource Type | Article |
| Subject | Psychology |
