書寫文字,無疑必需依靠腦部的幫助才能完成。479Please respect copyright.PENANAjGOXTsqZ1S479Please respect copyright.PENANALpsXp3G8tA
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最近有研究順利單憑量度大腦神經的變化,將一名因脊髓受傷而導致手部無法書寫的人士其腦中所想的文字,確確實實地轉化成為實體的螢幕文字,「書寫」速度更高達每分鐘90英文字母!479Please respect copyright.PENANArnhqFOawmp
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亦即是說,整個過程他只想在腦裡默默想著那英文字母,電腦便會剖釋其腦部的變化,為他打在螢幕上打出文字。479Please respect copyright.PENANAUi2DFJmxpf
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(圖2)電腦首先指令病人在腦海裡思想著利用手部書寫英文字母(如圖中所示),思索每個英文字母的時候均有間隔,好讓電腦能清楚每一個英文字母所導致的大腦神經變動。479Please respect copyright.PENANAhYKoEj9m6t479Please respect copyright.PENANA6eEbSG8MxM
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經一系列的分析後,科學家將大腦神經的變動組合成3個組件(PC1, PC2, PC3),而每一個英文字母在3個組件上所導致的變動均是獨特的,圖中所顯示的分別為d、e、m479Please respect copyright.PENANAoyk5LkHZMf
三個英文字母的神經變動。479Please respect copyright.PENANACOZcSWFvQz
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(圖3)若將每一個英文字母甚至標點符號的神經訊息分類,可以得出每個符號均有其獨特的訊號組合。479Please respect copyright.PENANAiIFopjiBpO479Please respect copyright.PENANA0k4XatTAr8
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當使用者思索著英文詞語後,電腦分析其神經訊息轉變,再透過電腦程式判斷訊息是為甚麼英文字母,從螢幕中顯示出來。479Please respect copyright.PENANAm4r5zg7mn6
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如果想我快啲出文的話,請入去Penana網站科普專欄–薯不揀單俾一個like以及Bookmark,這對我非常之重要。479Please respect copyright.PENANA1YpZ2HeZyn
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同時亦可以在Penana網站裡按「買一嚿/半嚿薯仔」,以課金的方式推動我繼續搜羅資料寫文,多謝。479Please respect copyright.PENANAfhESX5MVlD
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https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio479Please respect copyright.PENANAKvuCQNCLWS
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除非Facebook及IG重開侵侵的account,否則我的IG將不會再作更新,只會寄居本土LIHKG及Penana。479Please respect copyright.PENANAdeKtPfWfci
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Ref1:https://www.nature.com/articles/s41586-021-03506-2479Please respect copyright.PENANA9z9MJCT1wQ