Remembering the Future

We rely upon our memories to envision the future. Through the trick of mental time travel, we picture yesterday and imagine tomorrow. 

One day not long ago a 27-year-old woman was brought to the Tel Aviv Sourasky Medical Center, sleepy and confused. Neuropsychologist Fani Andelman, with colleagues, gave the woman a battery of psychological tests to judge her state of mind. At first the woman seemed pretty normal. She could see and speak clearly. She could understand the meaning of words and recognize the faces of famous people. She could even solve logic puzzles, including a complex test that required her to plan several steps ...

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