It elaborated a sort of corporal space that was as much ethical as it was organic, and thus gave content to the notions of hysteria and hypochondria, and all that which before long would come to be known as nervous illnesses: that positivity was so distant from all that constituted the centre of unreason, and so badly integrated into its structures, that it ended up by calling them into question, and caused them to begin to crumble at the end of the classical age.