Author: Al Abed, A.S.; Sellami, A.; Marighetto, A.; Desmedt, A.; Dehorter, N.
Title: Autism Spectrum Disorder is a Risk Factor for PTSD-like Memory Formation Cord-id: 026cf7v9 Document date: 2021_1_19
ID: 026cf7v9
Snippet: The predisposition of Autism Spectrum Disorder (ASD) to Post-Traumatic Stress Disorder (PTSD) remained to be established. Here, we show that exposure to a single mild stressful event induces maladaptive memory, which recapitulates all features of PTSD, and is associated with the broad dysfunction of the prefrontal-hippocampo-amygdalar network. Using optogenetics, we demonstrate that prefrontal cortex hyperactivation triggers this PTSD-like memory. Finally, we show that recontextualization of the
Document: The predisposition of Autism Spectrum Disorder (ASD) to Post-Traumatic Stress Disorder (PTSD) remained to be established. Here, we show that exposure to a single mild stressful event induces maladaptive memory, which recapitulates all features of PTSD, and is associated with the broad dysfunction of the prefrontal-hippocampo-amygdalar network. Using optogenetics, we demonstrate that prefrontal cortex hyperactivation triggers this PTSD-like memory. Finally, we show that recontextualization of the traumatic event normalizes maladaptive memory in ASD conditions. Overall, this study provides the first direct demonstration that ASD represents a risk factor for PTSD and uncovers new mechanisms that underlie pathological memory formation.
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