書寫文字,無疑必需依靠腦部的幫助才能完成。308Please respect copyright.PENANAcdApojFgXF308Please respect copyright.PENANAlpyHIDNY5d
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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!308Please respect copyright.PENANA6egq6VEtxE
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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。308Please respect copyright.PENANAC3grWOtgxp
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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。308Please respect copyright.PENANAs8nVvhIllV308Please respect copyright.PENANAnz05EEosVX
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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、m308Please respect copyright.PENANAYPWzegCE9m
三個英文字母的神經變動。308Please respect copyright.PENANAGdZpJTbhky
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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。308Please respect copyright.PENANAGOGAFHzV3H308Please respect copyright.PENANAhSR7iOOLHe
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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。308Please respect copyright.PENANAJez73mA99G
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Ref1:https://www.nature.com/articles/s41586-021-03506-2308Please respect copyright.PENANAlKRNxO7rhi