Rationale Post-traumatic stress disorder (PTSD) is a stress and trauma-related disorder that is largely characterized by hyperarousal to fear-based cues. N-methyl-D-aspartate (NMDA) receptors are key mediators of fear learning behaviors. Altered NMDA receptor signaling is a hallmark of PTSD pathology that impacts fear memory learning and extinction processes. Objectives In the current study, we tested whether exposing adolesce...