Oliver Sachs: What hallucinations say about thinking

 

What do we see the world? Oliver Sachs

 

We see with our eyes, but we also see with our head — this ability is usually called imagination. What we do not imagine for ourselves: cities, people, we all know this well, we see, draw these pictures all our lives.

 

But sometimes we see hallucinations. They are completely different from the pictures that we draw with the help of imagination. The pictures of hallucinations are not ours, they are not created by us, they do not obey us, they seem to enter us from the outside world, pretending that they are what we see with our eyes. And today I just wanted to talk about a special type of hallucinations that I had the opportunity to observe in a number of patients.


An elderly lady in her 90s named Rosalie began to see anything that was not really there. Everyone thought whether the lady had begun to cloud her mind, or maybe she had a microstroke, or maybe it was alzheimer.

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