![]() 8 However, playing a video game in the direct aftermath of a traumatic event is neither practical nor possible in every case. ![]() To date, work using Tetris as an intervention has focused mainly on attempting to disrupt consolidation of the traumatic memory within the first 6 hours after the trauma exposure, 1 – 3 or reconsolidation of the traumatic memory the next day. Holmes and colleagues 1 have proposed that by completing a demanding visuospatial task during memory consolidation or reconsolidation for a traumatic event, the memory trace is weakened because of competition for the cognitive resources required for consolidation. 8 During this reconsolidation process, the memory trace is also vulnerable to interference. 7 In addition, it has been proposed that following reactivation, a memory again enters a labile state and must be reconsolidated into long-term memory. 6 Performing an unrelated task while the memory for an event is in a labile state can reduce subsequent retrieval. 5 Shortly after the event, the memory trace remains in a labile state as it is consolidated, and it is susceptible or vulnerable to interference. 2 – 4įollowing exposure to an event, the memory trace of that event must be consolidated into long-term memory for it to be accessible for later recall. ![]() 1 – 3 Holmes and colleagues have shown that playing Tetris directly after trauma exposure can reduce subsequent intrusive memories of the traumatic event, and they have demonstrated the efficacy of this “cognitive vaccine” in both experimental 1 and real-world settings. Recent work has provided evidence for the utility of the visuospatial video game Tetris as an early therapeutic intervention for posttraumatic stress disorder (PTSD).
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