Evolution! — Flashbacks!

It wasn't until the Vietnam War era and the 1980 inclusion of PTSD in the DSM-III that the flashback became the "hallmark" symptom we recognize today—defined by a vivid, sensory "here-and-now" reliving of events.

The term "flashback" was originally coined in the 1960s to describe the recurring visual hallucinations experienced by LSD users . Flashbacks! Evolution!

Flashbacks and post-traumatic stress disorder: the genesis of a 20th-century diagnosis. National Institutes of Health (.gov) It wasn't until the Vietnam War era and

This paper explores the of the flashback as a clinical concept, arguing it is a "culture-bound" symptom rather than a universal human reaction to trauma. Key Insights from the Paper National Institutes of Health (

The authors suggest that the prevalence of flashbacks in modern veterans might be influenced by technological advances (like cinema and televised war footage) that have shaped how we "visualize" and store traumatic memories. Other Noteworthy "Flashback" Research

For a deep dive into how "flashbacks" have shifted from a drug-culture term to a psychiatric staple, the most interesting paper is (Jones et al., 2003).