{"id":16210,"date":"2021-04-16T23:43:28","date_gmt":"2021-04-16T23:43:28","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=16210"},"modified":"2021-04-16T23:43:28","modified_gmt":"2021-04-16T23:43:28","slug":"low-cost-mind-controlled-prosthetic-arm","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/ro\/science\/biotechnology\/low-cost-mind-controlled-prosthetic-arm\/","title":{"rendered":"Bra\u021b protetic controlat mental: o solu\u021bie accesibil\u0103 \u0219i cu costuri reduse"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Bra\u021b protetic controlat mental: o solu\u021bie accesibil\u0103 \u0219i cu costuri reduse<\/h2>\n\n<h2 class=\"wp-block-heading\">Context<\/h2>\n\n<p>Acum zece ani, Benjamin Choi a fost fascinat de un documentar despre un bra\u021b protetic controlat mental. A fost uimit de tehnologie, dar \u00eengrijorat de costul ridicat \u0219i natura sa invaziv\u0103.<\/p>\n\n<h2 class=\"wp-block-heading\">Inspira\u021bie \u0219i inova\u021bie<\/h2>\n\n<p>C\u00e2nd pandemia a lovit \u00een 2020, Choi, un elev \u00een clasa a zecea, s-a trezit cu mult timp liber. Inspirat de documentarul pe care \u00eel v\u0103zuse cu ani \u00een urm\u0103, a decis s\u0103 construiasc\u0103 un bra\u021b protetic mai pu\u021bin invaziv \u0219i mai accesibil.<\/p>\n\n<p>Folosind imprimanta 3D a surorii sale \u0219i ni\u0219te fir de pescuit, Choi a proiectat \u0219i construit independent prima versiune a bra\u021bului s\u0103u robotic. Acesta folosea date ale undelor cerebrale \u0219i gesturi ale capului pentru a-\u0219i controla mi\u0219c\u0103rile.<\/p>\n\n<h2 class=\"wp-block-heading\">Progrese \u0219i rafinamente<\/h2>\n\n<p>Dup\u0103 mai mult de \u0219aptezeci \u0219i cinci de itera\u021bii de design, bra\u021bul protetic al lui Choi este acum fabricat din materiale de calitate inginereasc\u0103 \u0219i este condus de inteligen\u021b\u0103 artificial\u0103 (IA). Acesta func\u021bioneaz\u0103 folosind un algoritm care interpreteaz\u0103 undele cerebrale ale utilizatorului, permi\u021b\u00e2ndu-le s\u0103 controleze bra\u021bul cu g\u00e2ndurile lor.<\/p>\n\n<p>Bra\u021bul, care cost\u0103 \u00een jur de 300 de dolari pentru a fi fabricat, este o frac\u021biune din costul altor proteze avansate. Folose\u0219te electroencefalografia (EEG) pentru a evita necesitatea unei interven\u021bii chirurgicale invazive pe creier.<\/p>\n\n<h2 class=\"wp-block-heading\">IA \u0219i \u00eenv\u0103\u021barea automat\u0103<\/h2>\n\n<p>Modelul AI al lui Choi, \u00eencorporat \u00een bra\u021bul protetic, descifreaz\u0103 datele undelor cerebrale \u0219i le converte\u0219te \u00een predic\u021bii ale mi\u0219c\u0103rilor inten\u021bionate ale utilizatorului. Bra\u021bul r\u0103spunde \u0219i la gesturile capului \u0219i la clipirile inten\u021bionate.<\/p>\n\n<p>Pentru a crea modelul s\u0103u AI, Choi a lucrat cu voluntari adul\u021bi, colect\u00e2nd datele undelor lor cerebrale \u0219i antren\u00e2nd modelul s\u0103 disting\u0103 \u00eentre diferite semnale cerebrale. Modelul \u00eenva\u021b\u0103 continuu din undele cerebrale ale utilizatorului, \u00eembun\u0103t\u0103\u021bindu-\u0219i precizia \u00een timp.<\/p>\n\n<h2 class=\"wp-block-heading\">Impact \u0219i poten\u021bial<\/h2>\n\n<p>Inven\u021bia lui Choi i-a adus recunoa\u0219tere \u0219i premii, inclusiv un loc \u00een primii 40 de finali\u0219ti ai Regeneron Science Talent Search. Are poten\u021bialul de a revolu\u021biona domeniul protezelor \u0219i al dispozitivelor de asisten\u021b\u0103.<\/p>\n\n<h2 class=\"wp-block-heading\">Aplica\u021bii dincolo de proteze<\/h2>\n\n<p>Choi consider\u0103 c\u0103 algoritmul s\u0103u de interpretare a undelor cerebrale ar putea avea aplica\u021bii dincolo de proteze. Ar putea fi folosit pentru a controla scaunele cu rotile, dispozitivele de asisten\u021b\u0103 \u0219i dispozitivele de comunicare pentru pacien\u021bii cu SLA.<\/p>\n\n<h2 class=\"wp-block-heading\">Planuri de viitor<\/h2>\n\n<p>Choi pl\u0103nuie\u0219te s\u0103 studieze inginerie la facultate \u0219i s\u0103 continue s\u0103 \u00ee\u0219i \u00eembun\u0103t\u0103\u021beasc\u0103 bra\u021bul protetic. El \u00ee\u0219i propune s\u0103 realizeze studii clinice cu pacien\u021bi cu pierderi de membre superioare \u0219i s\u0103 exploreze poten\u021bialul algoritmului \u00een alte aplica\u021bii.<\/p>\n\n<h2 class=\"wp-block-heading\">Concluzie<\/h2>\n\n<p>Bra\u021bul protetic controlat mental al lui Benjamin Choi este o dovad\u0103 a puterii inova\u021biei, ingineriei \u0219i spiritului uman. Costul redus, natura sa non-invaziv\u0103 \u0219i poten\u021bialele aplica\u021bii \u00eel fac o solu\u021bie promi\u021b\u0103toare pentru amputa\u021bi \u0219i persoanele cu dizabilit\u0103\u021bi.<\/p>","protected":false},"excerpt":{"rendered":"<p>Bra\u021b protetic controlat mental: o solu\u021bie accesibil\u0103 \u0219i cu costuri reduse Context Acum zece ani, Benjamin Choi a fost fascinat de un documentar despre un bra\u021b protetic controlat mental. A&hellip;<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1763],"tags":[1254,7281,21499],"class_list":["post-16210","post","type-post","status-publish","format-standard","hentry","category-biotechnology","tag-artificial-intelligence","tag-medical-advancements","tag-mind-controlled-prosthetics"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/ro\/wp-json\/wp\/v2\/posts\/16210","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lifescienceart.com\/ro\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lifescienceart.com\/ro\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/ro\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/ro\/wp-json\/wp\/v2\/comments?post=16210"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/ro\/wp-json\/wp\/v2\/posts\/16210\/revisions"}],"predecessor-version":[{"id":16211,"href":"https:\/\/www.lifescienceart.com\/ro\/wp-json\/wp\/v2\/posts\/16210\/revisions\/16211"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/ro\/wp-json\/wp\/v2\/media?parent=16210"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/ro\/wp-json\/wp\/v2\/categories?post=16210"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/ro\/wp-json\/wp\/v2\/tags?post=16210"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}