Flashback

A flashback is a psychological phenomenon that often occurs as a symptom of PTSD (post-traumatic stress disorder). Triggered by a trigger, such as a scent or sound, it leads to an involuntary reliving of the traumatic event. The affected person feels as though they are transported back into the situation, experiencing it again.

Flashbacks can also occur in response to certain triggers or as a symptom of other mental health conditions. They are typically involuntary and can be very distressing for the person affected.