It is evident then that there could be no inhibition of the sensory centres, or suppression of their activity, or whatever else it may be called. In spite of the apparent, profound anaesthesia, the pin pricks were felt and perceived. Stimulations gave rise to perception, cognition, to a sort of pseudo-hallucinations that showed the pin pricks were counted and localized in the hand. The results of these tests demonstrate that in psychopathic patients all sensory impressions received from anaesthetic parts, while they do not reach the _personal_ consciousness are perceived _subconsciously_. Inasmuch as the sensations are perceived, the failure of the subject to be conscious of them must be due to a _failure in association_. The perception of the sensation is dissociated from the personal consciousness. More than this, these _dissociated_ sensations are capable of a certain amount of independent functioning; hence the pseudo-hallucinations, and hence the failure of psychopathic patients to be incommoded by their anaesthesia. This condition of dissociation underlies psychopathic states. For the purpose of studying the attacks, the patient was hypnotized. He went into a deep somnambulic condition, in which, however, the _anaesthesia still persisted_. This showed that the dissociation of the sensory impressions was unchanged. In hypnosis he related again the history of the onset of the trouble. His memory became broader, and he was able to give the additional information, which he could not do in his waking state, that at the time he was badly frightened, he fell on his right side. Moreover, he recalled what he did not remember when awake, that throughout the period of his attacks when he fell asleep, he had vivid dreams of an intense hallucinatory character, all relating to terror and fall. In these dreams he lived over and over again the experience which was the beginning of his trouble. He again finds himself in his little native town, on a lonely road; he thinks some one is running after him; he becomes frightened, calls for help, falls, and then wakes up with a start, and the whole dream is forgotten. After he wakes he knows nothing of all this; there is no more fear or any emotional disturbance; he is then simply distressed by the spasms.