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Université de BordeauxCluster of excellence

Marighetto's team in Nature Communications - Preventing and treating PTSD-like memory by trauma contextualization

Last update Wednesday 17 November 2021
Post-traumatic stress disorder (PTSD) is characterized by emotional hypermnesia on which preclinical studies focus so far. While this hypermnesia relates to salient traumatic cues, partial amnesia for the traumatic context can also be observed. Here, A. Marighetto's team shows in mice that contextual amnesia is causally involved in PTSD-like memory formation, and that treating the amnesia by re-exposure to all trauma-related cues cures PTSD-like hypermnesia. These findings open a therapeutic perspective based on trauma contextualization and the underlying hippocampal mechanisms.
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