Originally picked this article up from BPS Research Digest Blog, then news spread through mainstream and blogging news. So, gamepolitics.com, BBC News, even my own homeplace’s newspaper picked up via Reuters. This study is about the use of Tetris in preventing PTSD, specifically preventing traumatic memories from forming in long-term memory.
Flashbacks are the hallmark symptom of Posttraumatic Stress Disorder (PTSD). Although we have successful treatments for full-blown PTSD, early interventions are lacking. We propose the utility of developing a ‘cognitive vaccine’ to prevent PTSD flashback development following exposure to trauma. Our theory is based on two key findings: 1) Cognitive science suggests that the brain has selective resources with limited capacity; 2) The neurobiology of memory suggests a 6-hr window to disrupt memory consolidation. The rationale for a ‘cognitive vaccine’ approach is as follows: Trauma flashbacks are sensory-perceptual, visuospatial mental images. Visuospatial cognitive tasks selectively compete for resources required to generate mental images. Thus, a visuospatial computer game (e.g. “Tetris”) will interfere with flashbacks. Visuospatial tasks post-trauma, performed within the time window for memory consolidation, will reduce subsequent flashbacks. We predicted that playing “Tetris” half an hour after viewing trauma would reduce flashback frequency over 1-week.
The Trauma Film paradigm was used as a well-established experimental analog for Post-traumatic Stress. All participants viewed a traumatic film consisting of scenes of real injury and death followed by a 30-min structured break. Participants were then randomly allocated to either a no-task or visuospatial (“Tetris”) condition which they undertook for 10-min. Flashbacks were monitored for 1-week. Results indicated that compared to the no-task condition, the “Tetris” condition produced a significant reduction in flashback frequency over 1-week. Convergent results were found on a clinical measure of PTSD symptomatology at 1-week. Recognition memory between groups did not differ significantly.
Playing “Tetris” after viewing traumatic material reduces unwanted, involuntary memory flashbacks to that traumatic film, leaving deliberate memory recall of the event intact. Pathological aspects of human memory in the aftermath of trauma may be malleable using non-invasive, cognitive interventions. This has implications for a novel avenue of preventative treatment development, much-needed as a crisis intervention for the aftermath of traumatic events.
The study can be read through the Plos One website for free. But I’m not going to discuss about the article because I don’t feel like it and the article is pretty easy and short to read. But Dr.Grohol from PsychCentral wrote a post on it which his thoughts on the study are the same as mine. I would like to remind that this study is merely a single study and it only created a research dirtpath in contrast to the well-traveled paved road of cognitive therapy. Even if it were successfully replicated and implemented for clinical use, there’s always practical problems. Such problems can be the willingness to accept treatment from patients, physical disabilities, effective implementation on the field, unforseen third variables or consequences, etc.
Holmes EA, James EL, Coode-Bate T, Deeprose C (2009). Can Playing the Computer Game “Tetris” Reduce the Build-Up of Flashbacks for Trauma? A Proposal from Cognitive Science. PLoS ONE 4(1): e4153. doi:10.1371/journal.pone.0004153