Trauma: A psychological response to an extremely distressing or disturbing event, such as witnessing a car accident, that can cause long-lasting emotional effects.
Flashbacks: Vivid memories or experiences from the past event that are suddenly re-experienced in the present moment, often triggered by reminders of the original experience.
Post-Traumatic Stress Disorder (PTSD): A mental health disorder that occurs after experiencing or witnessing a traumatic event, causing symptoms like nightmares, intrusive thoughts, and heightened anxiety.