I think the brain is a dynamic system in which some parts control or suppress other parts. And if perhaps one has damage in one of the controlling or suppressing areas, then you may have the emergence or eruption of something, whether it is a seizure, a criminal trait - - or even a sudden musical passion.
Oliver SacksIn general, people are afraid to acknowledge hallucinations because they immediately see them as a sign of something awful happening to the brain, whereas in most cases theyre not.
Oliver SacksWe speak not only to tell other people what we think, but to tell ourselves what we think. Speech is a part of thought.
Oliver SacksThus the feeling I sometimes have - which all of us who work closely with aphasiacs have - that one cannot lie to an aphasiac. He cannot grasp your words, and cannot be deceived by them; but what he grasps he grasps with infallible precision, namely the expression that goes with the words, the total, spontaneous, involuntary expressiveness which can never be simulated or faked, as words alone can, too easily.
Oliver SacksI regard music therapy as a tool of great power in many neurological disorders -- Parkinson's and Alzheimer's -- because of its unique capacity to organize or reorganize cerebral function when it has been damaged.
Oliver SacksThere 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