All questions
6 questions
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How does general anesthesia switch off consciousness?
Doctors have used it safely for 180 years, yet nobody knows exactly how it turns the mind off.
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How does the brain bind perception into one picture?
Colour, shape and motion are processed in different parts of the brain. Why do we see one red ball rolling?
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What is consciousness?
Why is there something it is like to be you?
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Why do we dream?
Every night the brain builds whole worlds that nobody asked for. Do dreams have a purpose?
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Why do we sleep?
Nearly every animal studied sleeps, even though it leaves them defenceless. What is sleep for?
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Why does déjà vu happen?
For a few seconds a new moment feels already lived, and we know it can't be. What is the brain doing?