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視而不覺:眼盲還是心盲?
Posted on Thursday, March 17 @ 09:42:36 CST by ming

有些因為腦部損傷而失明的人,具有一種特殊的盲視能力:能夠感應別人臉上的表情,甚至能在障礙物中穿梭前進。

我和同事拍攝的這段影片真是令人驚歎:在放置了箱子、椅子和其他辦公室雜物的走道上,一名全盲的男子竟然能通行無礙。這名醫學界稱為TN的男子,並不知道那些障礙物的存在,卻能夠避開它們;他小心翼翼側身穿過垃圾桶和牆壁間的空隙,再繞過相機腳架,卻完全不自覺自己做出這些動作。TN雖然失明,但擁有盲視(blindsight),這種驚人的能力可以讓人在「看不到」的情況下,對眼睛感測到的東西做出反應。(想觀賞這段實驗影片,請至www.ScientificAmerican.com)...(詳全文)

轉載自 科學人

 
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