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 SacksAstoundedโand indifferentโfor he was a man who, in effect, had no โday beforeโ.
Oliver SacksFor 'wellness', naturally, is no cause for complaint - people relish it, they enjoy it, they are at the furthest pole from complaint. People complain of feeling ill - not well ... Thus, though a patient will scarcely complain of being 'very well', they may become suspicious if they feel 'too well'.
Oliver Sacks