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With any hallucinations, if you can do functional brain imagery while theyre going on, you will find that the parts of the brain usually involved in seeing or hearing - in perception - have become super active by themselves. And this is an autonomous activity this does not happen with imagination.

Oliver Sacks

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Oliver Sacks
Age: 82 †
Born: 1933
Born: July 9
Died: 2015
Died: August 30
Chemist
Neurologist
Physician Writer
Science Communicator
Screenwriter
University Teacher
Writer
Oliver Wolf Sacks
Happen
Hearing
Seeing
Active
Brain
Perception
Happens
Parts
Hallucinations
Become
Activity
Functional
Doe
Usually
Autonomous
Find
Involved
Imagery
Going
Imagination
Super

More quotes by Oliver Sacks

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We have five senses in which we glory and which we recognize and celebrate, senses that constitute the sensible world for us. But there are other senses - secret senses, sixth senses, if you will - equally vital, but unrecognized, and unlauded ... unconscious, automatic.
Oliver Sacks
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The miracle is that, in most cases, he succeeds - for the powers of survival, of the will to survive, and to survive as a unique inalienable individual, are absolutely, the strongest in our being: stronger than any impulses, stronger than disease.
Oliver Sacks
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We see with the eyes, but we see with the brain as well. And seeing with the brain is often called imagination.
Oliver Sacks
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I have often seen quite demented patients recognize and respond vividly to paintings and delight in the act of painting at a time when they are scarcely responsive, disoriented, and out of it.
Oliver Sacks
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Even when other powers have been lost and people may not even be able to understand language, they will nearly always recognize and respond to familiar tunes. And not only that. The tunes may carry them back and may give them memory of scenes and emotions otherwise unavailable for them.
Oliver Sacks
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A disease is never a mere loss or excess. There is always a reaction on the part of the organism or individual to restore, replace or compensate for and to preserve its identity, however strange the means may be.
Oliver Sacks
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But the saddest difference between them was that Zazetsky, as Luria said, 'fought to regain his lost faculties with the indomitable tenacity of the damned,' whereas Dr P. was not fighting, did not know what was lost. But who was more tragic, or who was more damned -- the man who knew it, or the man who did not?
Oliver Sacks
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I cannot pretend I am without fear. But my predominant feeling is one of gratitude. I have loved and been loved I have been given much and I have given something in return I have read and traveled and thought and written. I have had an intercourse with the world, the special intercourse of writers and readers.
Oliver Sacks
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I rejoice when I meet gifted young people... I feel the future is in good hands.
Oliver Sacks
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I feel I should be trying to complete my life, whatever completing a life means.
Oliver Sacks
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My impression is that a sense of rhythm, which has no analog in language, is unique and that its correlation with movement is unique to human beings. Why else would children start to dance when they're two or three? Chimpanzees don't dance.
Oliver Sacks
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Fascinating, Doidge's book is a remarkable and hopeful portrait of the endless adaptability of the human brain.
Oliver Sacks
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To be ourselves we must have ourselves – possess, if need be re-possess, our life-stories. We must “recollect” ourselves, recollect the inner drama, the narrative, of ourselves. A man needs such a narrative, a continuous inner narrative, to maintain his identity, his self.
Oliver Sacks
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I think there are dozens or hundreds of different forms of creativity. Pondering science and math problems for years is different from improvising jazz. Something which seems to me remarkable is how unconscious the creative process is. You encounter a problem, but can't solve it.
Oliver Sacks
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One might say that science itself, and civilization and art, are all about different orderings of the world - to contain it, and to make it in some sense intelligible, communicable. And bearable.
Oliver Sacks
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There is certainly a universal and unconscious propensity to impose a rhythm even when one hears a series of identical sounds at constant intervals... We tend to hear the sound of a digital clock, for example, as tick-tock, tick-tock - even though it is actually tick tick, tick tick.
Oliver Sacks
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Music is...a fundamental way of expressing our humanity - and it is often our best medicine.
Oliver Sacks
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Sign language is the equal of speech, lending itself equally to the rigorous and the poetic, to philosophical analysis or to making love.
Oliver Sacks
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Eccentricity is like having an accent. It's what other people have.
Oliver Sacks
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Creativity...involves the power to originate, to break away from the existing ways of looking at things, to move freely in the realm of the imagination, to create and recreate worlds fully in one's mind-while supervising all this with a critical inner eye.
Oliver Sacks