天津市宁河县2014高考英语阅读理解训练(11)及答案(解析)阅读理解Sincethe1970s,scientistshavebeensearchingforwaystolinkthebrainwithcomputers
Brain-computerinterface(BCI)technologycouldhelppeoplewithdisabilitiessendcommandstomachines
Recently,tworesearchers,JoseMillanandMicheleTavellafromtheFederalPolytechnicschoolinLausanne,Switzerland,demonstrated(展示)asmallroboticwheelchairdirectedbyaperson’sthoughts
Inthelaboratory,Tavellaoperatedthewheelchairjustbythinkingaboutmovinghisleftorrighthandand
Hecouldeventalkashewatchedthevehicleandguideditwithhisthoughts
“Ourbrainhasbillionsofnerveceils
Thesesendsignalsthroughthespinalcord(脊髓)tothemusclestogiveustheabilitytomove
Butspinalcordinjuriesorotherconditionscanpreventtheseweakelectricalsignalsfromreachingthemuscles,”Tavellasays
“Oursystemallowsdisabledpeopletocommunicatewithexte