Hallucination

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HALLUCINATION, med. jur. It is a species of mania, by which "an idea reproduced by the memory is associated and embodied by the imagination." This state of mind is sometimes called delusion or waking dreams.
     2. An attempt has been made to distinguish hallucinations from illusions; the former are said to be dependent on the state of the intellectual organs and, the latter, on that of those of sense. Ray, Med. Jur. Sec. 99; 1 Beck, med. Jur. 538, note. An instance is given of a temporary hallucination in the celebrated Ben Johnson, the poet. He told a friend of his that he had spent many a night in looking at his great toe, about which he had seen Turks and Tartars, Romans and Carthagenians, fight, in his imagination. 1 Coll. on Lun. 34. If, instead of being temporary, this affection of his mind had been permanent, he would doubtless have been considered insane. See, on the subject of spectral illusions, Hibbert, Alderson and Farrar's Essays; Scott on Demonology, &c.; Bostock's Physiology, vol. 3, p. 91, 161; 1 Esquirol, Maladies Mentales, 159.

A Law Dictionary, Adapted to the Constitution and Laws of the United States. By John Bouvier. Published 1856.
References in periodicals archive ?
Tactile hallucinations were the 2nd and visual ones the 3rd most common perceptual disturbance.
Non-verbal (noises) and tactile hallucinations appeared to be less frequent than verbal or visual hallucinations.
The phenomena, which had been experienced by all members of the family, included footsteps, flickering of lamp bulbs, tactile hallucinations, and strange behavior by their two dogs.
Subjects suffering from alcohol- or drug-induced psychoses, for instance, often experience tactile hallucinations. Hallucinatory episodes can be either positive (seeing stimuli that are not present) or negative (not seeing stimuli that are present), though positive hallucinations are much more common.
Visual hallucinations, such as seeing nonexistent things, and tactile hallucinations, such as a burning or itching sensation, also can occur, but are less frequent.
She describes tactile hallucinations of these creatures crawling on her skin, and she tracks their movements around her.