[{"data":1,"prerenderedAt":203},["ShallowReactive",2],{"project-32514823":3},{"id":4,"name":5,"line":6,"line_source":7,"title":8,"url":9,"domain":10,"maker":11,"posted_at":12,"year":13,"points":14,"comments":15,"rank_in_year":16,"shown_in_year":17,"top":18,"tier":19,"category":20,"subcategory":21,"format":22,"keywords":23,"reception":28,"sentiment":29,"stance_mix":30,"scored_comments":35,"aspects":36,"strip":41,"post_text":43,"what":44,"said":60,"maker_in_thread":110,"shape":121,"grid":125,"attempts":161,"same_week":166,"maker_shows":160,"maker_hidden":196,"reader_version":197,"card":198},"32514823","Quick Rewire","I made web tool to rewire your brain","title","Show HN: Quick Rewire – I made web tool to rewire your brain","https:\u002F\u002Fwww.quickrewire.com\u002F","quickrewire.com","jarrenae",1660856413,2022,27,15,1313,2570,52,"shown","learning_science","neuroscience demo","web_app",[24,25,26,27],"neuroplasticity","motor learning","reaction time","brain training","mixed",0.13,{"positive":31,"neutral":32,"mixed":33,"critical":34},3,4,1,2,10,{"idea":37,"performance":39,"execution":40},{"positive":38,"critical":38},0,{"positive":34,"critical":38},{"positive":38,"critical":34},[31,38,31,38,31,38,42,42,31,31,38,33,38,33,42],5,"Hi HN, I work with a mixed group of developers, data scientists and neuroscientists, and for fun recently built a tool inspired by psychological studies. The idea is to demonstrate how quickly technology can change how your brain works, and potentially the impact that technology actually has over our agency without us even noticing.",{"problem":45,"audience":51,"pricing":51,"motivation":52,"time_to_build":51,"stack":56,"openness":57,"stage":58,"team_size":59},{"value":46,"source":47,"evidence":48},"Demonstrates how quickly technology and training can change how the brain responds","maker",[49],{"id":50},"post",null,{"value":53,"source":47,"evidence":54},"Built for fun by a mixed group of developers, data scientists and neuroscientists, inspired by psychological studies",[55],{"id":50},[],"unknown","launched","team",{"praise":61,"objections":78,"requests":97,"questions":98,"alternatives":105},[62],{"value":63,"source":64,"evidence":65},"Cursor reversal training produced noticeable reaction time changes for several users","commenter",[66,70,74],{"id":67,"by":68,"text":69},"32515059","muhammadusman","Pretty amazing how quickly my brain just started thinking of the cursor going in the opposite direction. By the 5-7th trial, my hand and brain were pretty in sync. Then going…",{"id":71,"by":72,"text":73},"32515131","sumnern","did this twice -- didn't notice much effect the first time (measurable effect was tiny). When I did it again, I was distracted a bit (mind wandering) and sure enough, when I…",{"id":75,"by":76,"text":77},"32516921","audreyt","I also got a significant speedup after the rewire (without looking at the prompt.) OTOH, I was consciously visualizing the mirrored position of the target circle on screen and…",[79,90],{"value":80,"source":64,"evidence":81},"Cursor disappearing during trials hurt scores",[82,86],{"id":83,"by":84,"text":85},"32521925","PrivateButts","Had some issues with my cursor just disappearing during trials, lead me to get a slower score by the end!",{"id":87,"by":88,"text":89},"32547412","cbreynoldson","Cursor disappeared and I had to find a way to quit Chrome without it. Very frustrating. Re: rewiring the brain - these exercises feel like functional neurology exercises, were…",{"value":91,"source":64,"evidence":92},"Prompt that signals the switch back may have caused the speedup",[93],{"id":94,"by":95,"text":96},"32516216","22c","> Whoa, backwards training actually made your reaction time faster by 0.28 seconds! Interesting result. I think I may have subconsciously primed myself for a better performance…",[],[99],{"value":100,"source":47,"evidence":101},"What OS and browser were affected by the cursor disappearing bug",[102],{"id":103,"by":11,"text":104},"32523137","Very interesting. If you don't mind providing some more info, it'd really help us figure this out so others don't run into that problem. What OS and browser were you using? What…",[106],{"value":107,"source":64,"evidence":108},"Functional neurology exercises",[109],{"id":87,"by":88,"text":89},{"comments":32,"answered":33,"key":111},[112,115,118],{"id":113,"text":114},"32516595","We considered removing the prompt, but I've found that it's interesting to intellectually know what to do with a familiar action, but be unable to do it to some small degree. 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