Which condition is characterized by an inability to remember traumatic events after a severe accident?

Dissociative Amnesia is characterized by the inability to remember important personal information, typically related to a traumatic or stressful event. In the context of severe accidents, individuals may experience gaps in memory surrounding the event, leading to a disconnection from the trauma they experienced. This condition is often a psychological response to overwhelming stress or trauma, allowing individuals to protect themselves from emotional distress by blocking out the memories associated with the event.

Unlike other conditions mentioned, Dissociative Amnesia specifically focuses on memory loss directly linked to traumatic experiences. Major Depressive Disorder primarily involves persistent feelings of sadness and loss of interest rather than memory issues. Panic Disorder with Agoraphobia involves acute anxiety and apprehension about situations, but does not typically include amnesia as a symptom. Post-Traumatic Stress Disorder involves distressing memories, flashbacks, and emotional numbing following trauma, rather than outright amnesia of the traumatic event itself. Thus, Dissociative Amnesia is the most accurate description of the condition that entails a lack of memory regarding the traumatic incident.