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Hallucinations Hallucinations by Oliver Sacks
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Hallucinations Quotes Showing 1-30 of 48
“To live on a day-to-day basis is insufficient for human beings; we need to transcend, transport, escape; we need meaning, understanding, and explanation; we need to see overall patterns in our lives. We need hope, the sense of a future. And we need freedom (or at least the illusion of freedom) to get beyond ourselves, whether with telescopes and microscopes and our ever-burgeoning technology or in states of mind which allow us to travel to other worlds, to transcend our immediate surroundings. We need detachment of this sort as much as we need engagement in our lives.”
Oliver Sacks, Hallucinations
“This usually occurs at the moment when my head hits the pillow at night; my eyes close and … I see imagery. I do not mean pictures; more usually they are patterns or textures, such as repeated shapes, or shadows of shapes, or an item from an image, such as grass from a landscape or wood grain, wavelets or raindrops … transformed in the most extraordinary ways at a great speed. Shapes are replicated, multiplied, reversed in negative, etc. Color is added, tinted, subtracted. Textures are the most fascinating; grass becomes fur becomes hair follicles becomes waving, dancing lines of light, and a hundred other variations and all the subtle gradients between them that my words are too coarse to describe.”
Oliver Sacks, Hallucinations
“Studies by Andrew Newberg and others have shown that long-term practice of meditation produces significant alterations in cerebral blood flow in parts of the brain related to attention, emotion, and some autonomic functions.”
Oliver Sacks, Hallucinations
“She now receives love, attention, and invisible presents from a hallucinatory gentleman who visits faithfully each evening.”
Oliver Sacks, Hallucinations
“Our normal waking consciousness, rational consciousness, as we call it, is but one special type of consciousness, whilst all about it, parted from it by the filmiest of screens, there lie potential forms of consciousness entirely different.… Looking back on my own experiences, they all converge towards a kind of insight to which I cannot help ascribing some mystical significance. The keynote of it is invariably a reconciliation. It is as if the opposites of the world, whose contradictoriness and conflict make all our difficulties and troubles, were melted into unity.… To me [this sense] only comes in the artificial mystic state of mind.”
Oliver Sacks, Hallucinations
“PTSD seems to have an even higher prevalence and greater severity following violence or disaster that is man-made; natural disasters, "acts of God," seem somehow easier to accept. (...). This is the case with acute stress reactions, too: I see it often with my patients in hospital, who can show extraordinary courage and calmness in facing the most dreadful diseases but fly into a rage if a nurse is late with a bedpan or a medication. The amorality of nature is accepted, whether it takes the form of a monsoon, an elephant in musth, or a disease; but being subjected helplessly to the will of others is not, for human behavior always carries (or is felt to carry) a moral charge.”
Oliver Sacks, Hallucinations
“What they are able to imagine becomes more real to them.”
Oliver Sacks, Hallucinations
“And then, as if thrown by a giant paintbrush, there appeared a huge, trembling, pear-shaped blob of the purest indigo. Luminous, numinous, it filled me with rapture: It was the color of heaven, the color, I thought, which Giotto had spent a lifetime trying to get but never achieved—never achieved, perhaps, because the color of heaven is not to be seen on earth.”
Oliver Sacks, Hallucinations
“And one day the mind leaps from imagination to hallucination, and the congregant hears God, sees God.”
Oliver Sacks, Hallucinations
“One does not see with the eyes; one sees with the brain, which has dozens of different systems for analyzing the input from the eyes.”
Oliver Sacks, Hallucinations
“I went back into the house and had put on the kettle for another cup of tea when my attention was caught by a spider on the kitchen wall. As I drew nearer to look at it, the spider called out, “Hello!” It did not seem at all strange to me that a spider should say hello (any more than it seemed strange to Alice when the White Rabbit spoke). I said, “Hello, yourself,” and with this we started a conversation, mostly on rather technical matters of analytic philosophy. Perhaps this direction was suggested by the spider’s opening comment: did I think that Bertrand Russell had exploded Frege’s paradox? Or perhaps it was its voice—pointed, incisive, and just like Russell’s voice (which I had heard on the radio, but also—hilariously—as it had been parodied in Beyond the Fringe).9 D”
Oliver Sacks, Hallucinations
“The amorality of nature is accepted whether it takes the form of a monsoon, an elephant is musth, or a disease; but being subjected helplessly to the will of others is not, for human behaviour always carries (or is felt to carry) a moral charge.”
Oliver Sacks, Hallucinations
“The amorality of nature is accepted, whether it takes the form of a monsoon, an elephant in musth, or a disease; but being subjected helplessly to the will of others is not, for human behavior always carries (or is felt to carry) a moral charge.”
Oliver Sacks, Hallucinations
“When traditional figures—devils, witches, or hags—are no longer believed in, new ones—aliens, visitations from “a previous life”—take their place. Hallucinations,”
Oliver Sacks, Hallucinations
“I had long wanted to see “true” indigo, and thought that drugs might be the way to do this. So one sunny Saturday in 1964, I developed a pharmacologic launchpad consisting of a base of amphetamine (for general arousal), LSD (for hallucinogenic intensity), and a touch of cannabis (for a little added delirium). About twenty minutes after taking this, I faced a white wall and exclaimed, “I want to see indigo now—now!” And then, as if thrown by a giant paintbrush, there appeared a huge, trembling, pear-shaped blob of the purest indigo. Luminous, numinous, it filled me with rapture: It was the color of heaven, the color, I thought, which Giotto had spent a lifetime trying to get but never achieved—never achieved, perhaps, because the color of heaven is not to be seen on earth. But it had existed once, I thought—it was the color of the Paleozoic sea, the color the ocean used to be. I leaned toward it in a sort of ecstasy. And then it suddenly disappeared, leaving me with an overwhelming sense of loss and sadness that it had been snatched away. But I consoled myself: Yes, indigo exists, and it can be conjured up in the brain. For months afterward, I searched for indigo. I turned over little stones and rocks near my house, looking for it. I examined specimens of azurite in the natural history museum—but even they were infinitely far from the color I had seen. And then, in 1965, when I had moved to New York, I went to a concert in the Egyptology gallery of the Metropolitan Museum of Art. In the first half, a Monteverdi piece was performed, and I was utterly transported. I had taken no drugs, but I felt a glorious river of music, four hundred years long, flowing from Monteverdi’s mind into my own. In this ecstatic mood, I wandered out during the intermission and looked at the ancient Egyptian objects on display—lapis lazuli amulets, jewelry, and so forth—and I was enchanted to see glints of indigo. I thought: Thank God, it really exists! During the second half of the concert, I got a bit bored and restless, but I consoled myself, knowing that I could go out and take a “sip” of indigo afterward. It would be there, waiting for me. But when I went out to look at the gallery after the concert was finished, I could see only blue and purple and mauve and puce—no indigo. That was nearly fifty years ago, and I have never seen indigo again.”
Oliver Sacks, Hallucinations
“Embodiment seems to be the surest thing in the world, the one irrefutable fact”
Oliver Sacks, Hallucinations
“I have discussed neurological aspects of time and motion perception, as well as cinematic vision, at greater length in two articles, “Speed” and “In the River of Consciousness.”
Oliver Sacks, Hallucinations
“The “mare” in “nightmare” originally referred to a demonic woman who suffocated sleepers by lying on their chests (she was called “Old Hag” in Newfoundland).”
Oliver Sacks, Hallucinations
“To the hallucinator, though, hallucinations seem very real; they can mimic perception in every respect, starting with the way they are projected into the external world. Hallucinations tend to be startling.”
Oliver Sacks, Hallucinations
“We see no advantage in this term; it is pedantic, almost unpronounceable, and not widely used in ordinary practice.”
Oliver Sacks, Hallucinations
“Imagination is qualitatively different from hallucination. The visions of artists and scientists, the fantasies and daydreams we all have, are located in the imaginative space of our own minds, our own private theaters. They do not normally appear in external space, like the objects of perception. Something has to happen in the mind/brain for imagination to overleap its boundaries and be replaced by hallucination. Some dissociation or disconnection must occur, some breakdown of the mechanisms that normally allow us to recognize and take responsibility for our own thoughts and imaginings, to see them as ours and not as external in origin.”
Oliver Sacks, Hallucinations
“All of a sudden, out of a clear blue sky, the Charles Bonnet has come back with a vengeance.”
Oliver Sacks, Hallucinations
“Humans share much with other animals — the basic needs of food and drink or sleep, for example — but there are additional mental and emotional needs and desires which are perhaps unique to us. To live on a day-to-day basis is insufficient for human beings; we need to transcend, transport, escape; we need meaning, understanding, and explanation; we need to see overall patterns in our lives. We need hope, the sense of a future. And we need freedom (or at least the illusion of freedom) to get beyond ourselves, whether with telescopes and microscopes and our ever-burgeoning technology or in states of mind which allow us to travel to other worlds, to transcend our immediate surroundings. We need detachment of this sort as much as we need engagement in our lives… transports that make our consciousness of time and mortality easier to bear. We seek a holiday from our inner and outer restrictions, a more intense sense of the here and now, the beauty and value of the world we live in.”
Oliver Sacks, Hallucinations
“There was general astonishment, therefore, when Matthew Botvinick and Jonathan Cohen showed in 1998 that a rubber hand, under the right circumstances, could be mistaken for one’s own. If a subject’s real hand is hidden under a table while the rubber hand is visible before him, and both are stroked in synchrony, then the subject has the convincing illusion, even though he knows better, that the rubber hand is his—and that the sensation of being stroked is located in this inanimate though lifelike object. As I found when I looked through the “eyes” of a robot, knowledge in such a situation does nothing to dispel the illusion. The brain does its best to correlate all the senses, but the visual input here trumps the tactile.”
Oliver Sacks, Hallucinations
“had long wanted to see “true” indigo, and thought that drugs might be the way to do this. So one sunny Saturday in 1964, I developed a pharmacologic launchpad consisting of a base of amphetamine (for general arousal), LSD (for hallucinogenic intensity), and a touch of cannabis (for a little added delirium). About twenty minutes after taking this, I faced a white wall and exclaimed, “I want to see indigo now—now!” And then, as if thrown by a giant paintbrush, there appeared a huge, trembling, pear-shaped blob of the purest indigo. Luminous, numinous, it filled me with rapture: It was the color of heaven, the color, I thought, which Giotto had spent a lifetime trying to get but never achieved—never achieved, perhaps, because the color of heaven is not to be seen on earth. But it had existed once, I thought—it was the color of the Paleozoic sea, the color the ocean used to be. I leaned toward it in a sort of ecstasy. And then it suddenly disappeared, leaving me with an overwhelming sense of loss and sadness that it had been snatched away. But I consoled myself: Yes, indigo exists, and it can be conjured up in the brain.”
Oliver Sacks, Hallucinations
“Many cultures regard hallucination, like dreams, as a special, privileged state of consciousness—one that is actively sought through spiritual practices, meditation, drugs, or solitude. But in modern Western culture, hallucinations are more often considered to portend madness or something dire happening to the brain—even though the vast majority of hallucinations have no such dark implications.”
Oliver Sacks, Hallucinations
“Gertie C. had had a half-controlled hallucinosis for decades before she started on L-dopa - bucolic hallucinations of lying in a sunlit meadow or floating in a creek near her childhood home. This changed when she was given L-dopa, and her hallucinations assumed a social and sometimes sexual character. When she told me about this, she added, anxiously - You surely wouldn’t forbid a friendly hallucination to a frustrated old lady like me!
I replied that if her hallucinations had a pleasant and controllable character, they seemed rather a good idea under the circumstances. After this, the paranoid quality dropped away, and her hallucinatory encounters became purely amicable and amorous. She developed a humor and tact and control, never allowing herself a hallucination before eight in the evening and keeping its duration to thirty to forty minutes at most.
If her relatives stayed too late, she would explain firmly but pleasantly that she was expecting a gentleman visitor from out of town in a few minutes’ time, and she felt he might take it amiss if he was kept waiting outside. She now receives love, attention, and invisible presents from a hallucinatory gentleman who visits faithfully each evening.”
Oliver Sacks, Hallucinations
“A clear distinction between normal visual imagination and actual hallucination: imagining a colored object did not activate V4 area while a colored hallucination did.”
Oliver Sacks, Hallucinations
“Thus the primal, animal sense of 'the other,' which may have evolved for the detection of threat, can take on a lofty, even transcendent function in human beings, as a biological basis for religious passion and conviction, where the 'other,' the 'presence,' becomes the person of God.”
Oliver Sacks, Hallucinations
“Adler studied a group of Hmong refugees from Laos who had immigrated to central California in the late 1970s and were not always able to perform their traditional religious rites during the upheaval of genocide and relocation. In Hmong culture, there is a strong belief that night-mares can be fatal; this evil expectation, or nocebo, apparently contributed to the sudden unexplained nocturnal deaths of almost two hundred Hmong immigrants (mostly young and in good health) in the late 1970s and early 1980s. Once they were more assimilated and the old beliefs lost their power, the sudden deaths stopped.”
Oliver Sacks, Hallucinations

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