I was fascinated that one could have such perceptual changes, and also that they went with a certain feeling of significance, an almost numinous feeling. I'm strongly atheist by disposition, but nonetheless when this happened, I couldn't help thinking, 'That must be what the hand of God is like.'
Oliver SacksIf a man has lost a leg or an eye, he knows he has lost a leg or an eye; but if he has lost a selfโhimselfโhe cannot know it, because he is no longer there to know it.
Oliver SacksIn examining disease, we gain wisdom about anatomy and physiology and biology. In examining the person with disease, we gain wisdom about life.
Oliver SacksStudies 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 SacksGiven her deafness, the auditory part of the brain, deprived of its usual input, had started to generate a spontaneous activity of its own, and this took the form of musical hallucinations, mostly musical memories from her earlier life. The brain needed to stay incessantly active, and if it was not getting its usual stimulation..., it would create its own stimulation in the form of hallucinations.
Oliver Sacks