書寫文字,無疑必需依靠腦部的幫助才能完成。498Please respect copyright.PENANAl7Mw1fL8s2498Please respect copyright.PENANAt01jGjsxQB
498Please respect copyright.PENANAxoQYkCckHe
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!498Please respect copyright.PENANAkjyL7FSkZS
498Please respect copyright.PENANAOYlu4mpVk8
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。498Please respect copyright.PENANAzXFj9COn2k
498Please respect copyright.PENANAmq9yV6IVFq
498Please respect copyright.PENANAfUxwOAjgyG
(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。498Please respect copyright.PENANAVgcmfz6P8D498Please respect copyright.PENANA6MsjV20itD
498Please respect copyright.PENANAjU3i5CyyDY
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、m498Please respect copyright.PENANANRBUPJpnTF
三個英文字母的神經變動。498Please respect copyright.PENANAJEKTuBjG0C
498Please respect copyright.PENANAKZBfl1UWoL
498Please respect copyright.PENANA2Tt9R4woB5
(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。498Please respect copyright.PENANAD7lrwep3PW498Please respect copyright.PENANAya2rdebg1I
498Please respect copyright.PENANAYplS4pJy3H
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。498Please respect copyright.PENANA5Efx1vOhgZ
498Please respect copyright.PENANAb0UI11I3Ls
498Please respect copyright.PENANAjmZ08pPDDy
498Please respect copyright.PENANAys5afSZ5BO
498Please respect copyright.PENANAtj99XwHTdc
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。498Please respect copyright.PENANAMx7c7jwhoS
498Please respect copyright.PENANAlwzWZt6OKV
Link: https://www.penana.com/story/66244/%E7%A7%91%E6%99%AE%E5%B0%88%E6%AC%84-%E8%96%AF%E4%B8%8D%E6%8F%80%E5%96%AE/toc498Please respect copyright.PENANA86Hgoyuse9
498Please respect copyright.PENANAuxy23OT0OC
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。498Please respect copyright.PENANAnHKivRKuHl
498Please respect copyright.PENANAJQpdG7SZWC
Link:498Please respect copyright.PENANACGGkzeVjKR
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio498Please respect copyright.PENANAX6tyNXVMQ2
498Please respect copyright.PENANAeXmMs87ALh
498Please respect copyright.PENANAv3BOqnLzE5
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。498Please respect copyright.PENANAeMzNnijmNx
498Please respect copyright.PENANAuSOXC4dYsx
Ref1:https://www.nature.com/articles/s41586-021-03506-2498Please respect copyright.PENANAZqk6mDLYlF
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科普專欄–薯不揀單
Author:
薯仔聞茱莉

ISSUE #228
三十秒科學–利用腦電波書寫英文字
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