"We know that many hospital patients who are subjected to the higher or greater treatment of hypnotism are of very doubtful reputations; we know also the effects of a temperament which in them is peculiarly addicted to simulation, and which is exaggerated by the vicinity of maladies similar to their own. To judge of this, it is necessary to have seen them encourage each other in simulation, rehearsing among themselves, or even before the medical students of the establishment, the experiments to which they have been subjected; and going through their different contortions and attitudes to exercise themselves in them. And then, again, in the present day, has not the designation of an 'hypnotical subject' become almost a social position? To be fed, to be paid,admired, exhibited in public, run after, and all the rest of it--all this is enough to make the most impartial looker-on skeptical."
But is it enough to enable us to produce an a priori negation? Certainly not; but it is sufficient to justify legitimate doubt. And when we come to moral phenomena, where we have to put faith in the subject, the difficulty becomes still greater. Supposing suggestion and hallucination to begranted, can they be demonstrated? Can we by plunging the subject in hypnotical sleep, feel sure of what he may affirm? That is impossible,for simulation and somnambulism are not reciprocally exclusive terms,and Monsieur Pitres has established the fact that a subject who sleeps may still simulate." Messieurs Binet and Fere in their book speak of "the honest Hublier, whom his somnambulist Emelie cheated for four years consecutively."
