1 In the first days post trauma, intrusive memories (among other symptoms) have been associated with a diagnosis of PTSD at 1 year, 3 and early intrusion symptoms with a non-remitting PTSD trajectory over 15 months. Intrusive memories comprise a core clinical feature 2 of acute stress disorder and post-traumatic stress disorder (PTSD). By translating emerging neuroscientific insights and experimental research into the real world, we offer a promising new low-intensity psychiatric intervention that could prevent debilitating intrusive memories following trauma.Īfter psychological trauma, sensory memories can recurrently spring to mind unbidden, 1 bringing back sights and sounds of the events, evoking strong emotion, hijacking attention and profoundly disrupting current activities. Participants found the intervention easy, helpful and minimally distressing. Results of this proof-of-concept study suggest that a larger trial, powered to detect differences at 1 month, is warranted. There were convergent findings on a measure of clinical post-trauma intrusion symptoms at 1 week, but not on other symptom clusters or at 1 month. Results vindicated the efficacy of the Tetris-based intervention compared with the control condition: there were fewer intrusive memories overall, and time-series analyses showed that intrusion incidence declined more quickly. The randomized controlled trial compared the impact on the number of intrusive trauma memories in the subsequent week (primary outcome). 20 min game play) vs attention-placebo control (written activity log for same duration) were both delivered in an emergency department within 6 h of a motor vehicle accident. The Tetris-based intervention (trauma memory reminder cue plus c. We hypothesized that intrusive memories would be significantly reduced in number by an intervention involving a computer game with high visuospatial demands (Tetris), via disrupting consolidation of sensory elements of trauma memory. Here we test a behavioural intervention after real-life trauma derived from cognitive neuroscience. Preventive interventions post trauma are lacking. After psychological trauma, recurrent intrusive visual memories may be distressing and disruptive.
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