hallucinoid experience
   An umbrella term for a variety of sensory deceptions which may accompany *hypnagogic or *hypnopompic hallucinations, but which are not themselves classified as hallucinations. An example of a hallucinoid experience is * sensed presence, i.e. the intuitive feeling (rather than perceptual impression) that someone or something is nearby. The American psychologist and philosopher William James (1842-1910) regards such phenomena as imperfectly developed hallucinations, hence the characterization 'halluci-noid'. According to the Canadian psychologist and sleep researcher James Allan Cheyne, factor-analytic studies indicate the existence of three separate clusters of hallucinoid experiences. The first cluster, referred to by Cheyne as * intruder, includes sensed presence, * visual, * auditory, and *tactile hallucinations, and feelings of anxiety. The second cluster, called * incubus after the mythological creature that sits on the chest of the tormented sleeper, comprises pressure on the chest, breathing difficulties, pain, and associations with impending death. The third cluster (designated variously by Cheyne as * illusory movement experiences, unusual bodily experiences, and * vestibular-motor hallucinations) includes a sensation of flying, falling, or floating, as well as elevator feelings, spinning sensations, *autoscopy, and * out-of-body experience.
   References
   Cheyne, J.A. (2001). The ominous numinous. Sensed presence and 'other' hallucinations. Journalof Consciousness Studies, 8, 133-150.
   James, W. (1952). The principles of Psychology. Great books of the western world no. 5i.Edited by Hutchins, R.M. London: Encyclopaedia Britannica.

Dictionary of Hallucinations. . 2010.

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  • illusory movement experience —    Also known as illusory motor movement. Both terms refer to a hallucinated feeling of movement, such as the feeling of flying, falling, or floating, as well as elevator feelings, sensations of acceleration, and spinning sensations. Illusory… …   Dictionary of Hallucinations

  • sensed presence —    Also known as sense of presence, feeling ofa presence (FOP), idea of a presence, hallucination of presence, false proximate awareness, false bodily awareness, intruder hallucination, somaesthetic phantom double, somaesthetic doppelgänger,… …   Dictionary of Hallucinations

  • bereavement hallucination —    Also known as post bereavement hallucination and grief hallucination. All three terms are used to denote a heterogeneous group of * sensory deceptions occurring in the context of grief over the loss of a spouse or other loved one. As to their… …   Dictionary of Hallucinations

  • incubus —    Also referred to as incubo, night hag, nightmare, incubus experience, and familiar. The term incubus is Latin for night hag or nightmare. It comes from the verb incubare, which means to lie upon. The term is used in demonology to denote an… …   Dictionary of Hallucinations

  • vestibular-motor hallucination —    The term vestibular motor hallucination is indebted to the Latin words vestibulum (forecourt, entrance hall) and motio (movement). It is used to denote a cluster of spatial, temporal, and orientational *hallucinoid experiences that may occur… …   Dictionary of Hallucinations

  • Paralysie du sommeil — La paralysie du sommeil est un trouble du sommeil, ou plus précisément une parasomnie selon la Classification internationale des troubles du sommeil, qui se caractérise par le fait que le sujet, sur le point de s endormir (paralysie hypnagogique) …   Wikipédia en Français

  • intruder —    Also referred to as intruder experience. The term intruder comes from the Latin verb intrudere, which means to penetrate into. It was proposed by the Canadian psychologist and sleep researcher James Allan Cheyne to denote a major cluster of… …   Dictionary of Hallucinations

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