前幾天，我和母親討論了她做完眼部手術後出現的現象：她似乎只能看到她想看的東西。我想了很多可能的解釋，還問了她一些更細節的問題，排除了一些可能性。不過，我並不打算在這裡展開病例討論。 A few days ago, my mother and I discussed a phenomenon that occurred after she had eye surgery: she seemed to only be able to see what she wanted (or intended) to see. I thought about many possible explanations and ruled out some of them by asking her detailed questions. But I’m not going to begin a case discussion here. 我們之前吵過架，起因是我覺得她故意裝作聽不懂我說的話，或是裝沒看到眼前的東西，只是想測試我的耐性。常常要我牢牢指著那個她眼前的東西，請她順著我手指的方向看，經過好幾秒，她才反應過來。似乎只有到了這一刻，她才能看見它。 We had a fight before because I thought she was pretending not to understand what I said or not seeing the stuff right before her, just to test my patience. It always ended up that I had to point firmly at the thing in front of her and ask her to look in the direction I was pointing. And then it took several seconds before she realised what it was. It seemed that not until that moment could she start to see it. 差不多這時候，我剛讀完小說《剪刀 石頭 布》，故事的主角有臉盲症（相貌失認症），我其實正在查臉盲症的機轉。然...