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.

References in periodicals archive ?
Tactile hallucinations were the 2nd and visual ones the 3rd most common perceptual disturbance.
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.
Her current style of painting reflects a desire to convey the feeling of her tactile hallucinations. "I had this feeling when I was younger of maggots in me, and I was trying to capture that in the paintings.
Individuals who have a mental illness may have visual, auditory, and/or tactile hallucinations and/or delusions.