- vivid hallucination
- A term used to denote a* visual hallucination that stands out because of its brightness, vivacity, or liveliness. As noted by the American philosopher C. Wade Savage, in this particular context the somewhat ambiguous adjective 'vivid' tends to be used in at least four different ways. It can mean bright or saturated (in the sense of a brightly coloured hallucination or one executed in saturated colours), it can mean life-like (as in a hallucinated object or person that is phenomenolog-ically indistinguishable from an actual object or person), it can mean 'projected' (i.e. as if actually present in extracorporeal space), and it can mean compelling (in the sense that the hallucination in question compels the affected individual of its true nature). In the latter case, hallucinations are also said to have a high degree of * xenopathy. The German psychiatrist and philosopher Karl Jaspers (1883-1969) considers vividness a particularly important feature of hallucinations, especially in comparison with the lack of vividness that is deemed characteristic of * pseudohallucinations. It should be noted that hallucinations can indeed be as vivid as regular sense perceptions and that they can even surpass them in their degree of vividness, as in individuals with poor visual acuity who may perceive sharply focused hallucinated images against a blurred background.ReferencesJaspers, K. (1963). Zur Analyse der Trugwahrnehmungen (Leibhaftigkeit und Realitätsurteil). In: Gesammelte Schriften zur Psychopathologie. Berlin: Springer-Verlag. Savage, C.W. (1975). The continuity of perceptual and cognitive experiences.In: Hallucinations. Behavior, experience, and theory.Edited by Siegel, R.K., West, L.J. New York, NY: John Wiley & Sons.
Dictionary of Hallucinations. J.D. Blom. 2010.
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hallucination — Formerly known as hallucinatio, allucinatio, alucinatio, * alusia, * fallacia, * idolum, and *phantasma. Hallucination can be defined as a percept, experienced by a waking individual, in the absence of an appropriate stimulus from the… … Dictionary of Hallucinations
vivid — adj. 1 very bright VERBS ▪ be ADVERB ▪ extremely, fairly, very, etc. 2 very clear VERBS ▪ … Collocations dictionary
Hallucination, hypnagogic — A pre sleep dream. A hypnagogic hallucination is characteristically vivid and occurs as one is falling asleep or awakening … Medical dictionary
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hallucination — The apparent, often strong subjective perception of an object or event when no such stimulus or situation is present; may be visual, auditory, olfactory, gustatory, or … Medical dictionary
hypnotically induced hallucination — Also referred to as hypnotic hallucination and induced hallucination. The first two terms refer to the notion of hypnosis, which is in turn indebted to the Greek noun hupnos (sleep). The term hypnotically induced hallucination is used to… … Dictionary of Hallucinations
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Hypnagogic hallucination — A pre sleep dream. A hypnagogic hallucination is characteristically vivid and occurs as one is falling asleep or awakening. * * * a vivid dreamlike hallucination occurring at sleep onset … Medical dictionary