Intrusive memories are a hallmark of acute stress disorder and posttraumatic stress disorder (PTSD APA, 2013), but understanding emotional and intrusive memory has broader relevance beyond trauma-involuntary images of various emotional autobiographical events are common in daily life ( Bernsten, 2010). Some will develop “recurrent, involuntary and intrusive distressing memories of the traumatic event(s)” ( Diagnostic and Statistical Manual of Mental Disorders, 5th ed., or DSM–5 American Psychiatric Association, or APA, 2013, p. Most people will experience a traumatic event during their life. Psychological trauma is prevalent around the world ( World Health Organization, 2013), from terrorist attacks to motor vehicle accidents. A simple, noninvasive cognitive-task procedure administered after emotional memory has already consolidated (i.e., > 24 hours after exposure to experimental trauma) may prevent the recurrence of intrusive memories of those emotional events. Furthermore, both memory reactivation and playing Tetris were required to reduce subsequent intrusions (Experiment 2), consistent with reconsolidation-update mechanisms. We showed that intrusive memories were virtually abolished by playing the computer game Tetris following a memory-reactivation task 24 hr after initial exposure to experimental trauma. We predicted that reconsolidation of a reactivated visual memory of experimental trauma could be disrupted by engaging in a visuospatial task that would compete for visual working memory resources. We investigated whether reconsolidation-the process during which memories become malleable when recalled-can be blocked using a cognitive task and whether such an approach can reduce these unbidden intrusions. Intrusive memories can then flash back repeatedly into the mind’s eye and cause distress. And if you come away from the demo equally enraptured, the full game is discounted by 25% on the PlayStation Store throughout the weekend.Memory of a traumatic event becomes consolidated within hours. When Eurogamer tooted its heralding horns and drew back the curtain to reveal its game of 2018, Martin Robinson called Tetris Effect "a warming dose of spiritual sedative that I've slipped back into more than any other game in 2018, ushering me off to a happy place as soon as those first tetrominoes begin to fall". Enhance notes that an online connection is required while playing the demo, thanks to its limited-time nature, but that this restriction doesn't appear in the full game. The trial, which can be downloaded through the PlayStation Store, is fully playable in 2D (with optional 4K resolution and HDR support on PS4 Pro) and also allows additional bedazzlement via PSVR. In other words, it's more or less the same demo as the one released prior to Tetris Effect's launch last year. The former challenges players to get the best score possible within a 150-line limit, while Mystery Mode asks players to survive a Marathon session while positive and negative effects randomly occur. While the demo still functions, however, participants in the free weekend will have access to three stages from Tetris Effect's main, 27-stage Journey Mode campaign, plus two of its Effect Modes: Marathon Mode and Mystery Mode. Once the event is over, that's it - the limited-time demo will basically be a useless husk of bytes that you'll want to purge from your hard-drive as soon as possible. Tetris Effect's free weekend starts tomorrow, February 8th, and wraps up on the morning of February 11th. So, assuming you haven't managed to give Tetris Effect a go already, now's your chance to check it out and immediately rush back to the comments section to tell us how wrong we were. Hey remember that time when Eurogamer decided Tetsuya Mizuguchi's Tetris Effect was the best game of 2018? Well, Enhance has announced that it'll be letting PS4 owners play it for free this weekend, no purchase required.
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