China'shomegrownbrain-machineinterfacesystemunveiledatZhongguancunForum_GuangmingOnlineThisphotoshowstheNeuCyberArrayBMISystem,aself-developedbrain-machineinterface(BMI)systemfromChina,unveiledattheopeningceremonyofthe2024ZhongguancunForuminBeijing,capitalofChina,April25,2024.(Xinhua)BEIJING,April25(Xinhua)--TheNeuCyberArrayBMISystem,aself-developedbrain-machineinterface(BMI)systemfromChina,wasunveiledattheopeningceremonyofthe2024ZhongguancunForum(ZGCForum)onThursdayinBeijing.Attheforum,avideodemonstrationrevealedaremarkablefeat:amonkeywithitshandsrestrainedandsoftelectrodefilamentsimplantedinitsbrain,controlledanisolatedroboticarmandgraspedastrawberrybysimplyusingits"thoughts."TheNeuCyberArrayBMISystemfillsthegapinhigh-performanceinvasivebrain-machineinterfacetechnologyinChina,saidLuoMinmin,directoroftheChineseInstituteforBrainResearch,Beijing,whichco-developedthesystemwithNeuCyberNeuroTech(Beijing)Co.,Ltd.TheBMIservesasthe"informationhighway"forthebrain,facilitatingcommunicationwithexternaldevicesandprovidingcutting-edgetechnologiesinhuman-machineinteractionandhybridintelligence,Luosaid."Inshort,thetechnologycapturesthesubtlechangesofelectricalsignalsfromneuronsanddecodesthebrain'sintentions,torealize'thoughts'control'actions',"hesaid.TheNeuCyberArrayBMISystemiscomposedofthreemajorcomponents--high-throughputflexiblemicroelectrodearray,athousand-channelhigh-speedneuralsignalacquisitionsystem,andagenerativeneuraldecodingalgorithmbasedonafeedforwardcontrolmechanism.Theelectrodesdeterminethequalityoftherecordedbrainsignalsandtheaccuracyof"braincontrol,"saidLiYuan,businessdevelopmentdirectorofNeuCyberNeuroTech(Beijing)Co.,Ltd.TheNeuCyberArrayBMISystemmakesuseofalargenumberofelectrodecontactsonathinelectrodethreadtoenhancesignalcaptureability.Theelectrodefilamentsmadeofflexiblematerialsneededtobeviewedunderamicroscope,saidLi.Thematerial,whichboastshighbiocompatibilityandnocytotoxicity,fitswellwithbraintissue."Bothitsnumberofeffectivechannelsandlong-termstabilityareuptotheinternationalstateoftheart,"Lisaid."Differentfromstiffelectrodes,theflexiblemicroelectrodearraycanstilleffectivelyrecordbrainsignalsafteroneyearofimplantationinthebrainofmacaquemonkeys."Thegenerativeneuraldecodingalgorithmbasedonthefeedforwardcontrolmechanismofthesystemcanestablishanaccuratemappingbetweenneuralactivityinthecerebralcortexandmotionparameters."BMIsystemfocusesonsafety,stabilityandeffectiveness.It'sasystematicproject,"saidLuo,addingthattheinvasiveBMIhasalongchainofdevelopment,involvingmultipletechnologiessuchaselectrodes,chips,algorithms,software,andmaterials.Thereisstillalongwayintechnologicalrefinementanditeration.Foundedin2007,theZGCForum,withitsenduringfocusoninnovationanddevelopment,hasevolvedintoanational-levelopeninnovationplatformandaninternationalforumovertheyears.Editor:DisclaimerTheviewsandopinionsexpressedinthisarticlearethoseoftheauthor's,GMW.cnmakesnorepresentationsastoaccuracy,suitability,orvalidityofanyinformationonthissiteandwillnotbeliableforanyerrors,omissions,ordelaysinthisinformation.