These could be hallucinations, couldn't they?
We might expect persons who have experienced spontaneous visual hallucinations, of the kind vulgarly styled "ghosts" or "wraiths," to succeed in inducing pictures in a glass ball.
I thought they were hallucinations, Deidre murmured.
Keim) - " Veridical Hallucinations " ?
A person can either induce the pictorial hallucinations (he may discover his capacity by accident, like George Sand, as she tells in her Memoirs - and other cases are known), or he cannot induce them, though he stare till his eyes water.
Dreams are sometimes explained by savages as journeys performed by the sleeper, sometimes as visits paid by other persons, by animals or objects to him; hallucinations, possibly more frequent in the lower stages of culture, must have contributed to fortify this interpretation, and the animistic theory in general.
Such hallucinations are commonly provoked by crystal-gazing, but auditory hallucinations may be caused by the use of a shell (shell-hearing), and the other senses are occasionally affected.
From an evidential point of view the apparition is the most valuable class of death-warning, inasmuch as recognition is more difficult in the case of an auditory hallucination, even where it takes the form of spoken words; moreover, auditory hallucinations coinciding with deaths may be mere knocks, ringing of bells, &c.; tactile hallucinations are still more difficult of recognition; and the hallucinations of smell which are sometimes found as death-warnings rarely have anything to associate them specially with the dead person.
Parish, Hallucinations and Illusions and Zur Kritik des telepathischen Beweismaterials, and Mrs Sidgwick's refutation in Proc. S.P.R.
2 See the articles on Psychical Research; Magic; Conjuring; Automatism; Divination; Crystal Gazing; Hypnotism; Apparitions; Hallucinations; Hauntings, &C.
CRYSTAL - GAZING, or Scrying, the term commonly applied to the induction of visual hallucinations by concentrating the gaze on any clear deep, such as a crystal or a ball of polished rock crystal.
Hallucinations, to which she had been always subject, became more and more frequent.
Among these phenomena are: trance and unconsciousness, sickness, death, clairvoyance, dreams, apparitions of the dead, wraiths, hallucinations, echoes, shadows and reflections.
Pregnant hints are given respecting a natural development of language which has its germs in sounds of quadrupeds and birds, of religious ideas out of dreams and waking hallucinations, and of the art of music by help of the suggestion of natural sounds.
The practice of inducing pictorial hallucinations by such methods as these has been traced among the natives of North and South America, Asia, Australia, Africa, among the Maoris, who sometimes use a drop of blood, and in Polynesia, and is thus practically of world-wide diffusion.
Horrible mental depression and melancholia are present, and there may be hallucinations of vision and hearing passing into violent delirium.
In 1889 a further inquiry was undertaken, known as the "Census of Hallucinations," which provided information as to the percentage of individuals in the general population who, at some period of their lives, while they were in a normal state of health, had had "a vivid impression of seeing or being touched by a living being or inanimate object, or of hearing a voice; which impression, so far as they could discover, was not due to any external cause."
The reality of the external object is a necessary condition, to exclude hallucinations of the senses; the exact correspondence between the external object and the internal percept is also necessary, but naturally hard to secure, for how can we compare the two?
We are too apt to take for granted that the men of the middle ages were immersed in meditations on the other world, and that their = intellectual exercises were confined to abstractions of the / schools, hallucinations of the fancy, allegories, visions.
Were these the first of the hallucinations Dr. Wynn warned her about?