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 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 SacksThe past which is not recoverable in any other way is embedded, as if in amber, in the music, and people can regain a sense of identity.
Oliver Sacks