Hallucination  

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(''The Hollywood Hallucination'' (1944) - Parker Tyler)
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-A [[hallucination]] is a sensory [[perception]] in the absence of an external stimulus. It may occur in any sensory modality - visual, auditory, olfactory, gustatory, tactile or mixed.+A '''hallucination''' in the broadest sense is a [[perception]] in the absence of a [[stimulus (physiology)|stimulus]]. In a stricter sense, hallucinations are defined as perceptions in a conscious and awake state in the absence of external stimuli and that have qualities of real perception in that they are vivid, substantial, and located in external objective space. These definitions distinguish hallucinations from the related phenomena of [[dream]]ing (no consciousness), [[illusion]] (distorted or misinterpreted real perception), [[imagery]] (does not mimic real perception and is under voluntary control), and [[pseudohallucination]] (does not mimick real perception, but is not under voluntary control).
-Florid hallucinations are usually associated with drug use, (particularly hallucinogenic drugs), sleep deprivation, psychosis or neurological illness. --http://en.wikipedia.org/wiki/Hallucination+Hallucinations also differ from "delusional perceptions", in which a correctly sensed and interpreted genuine perception is given some additional (and typically bizarre) significance.
 +Hallucinations may occur in any sensory modality—[[visual system|visual]], [[auditory system|auditory]], [[olfaction|olfactory]], [[taste|gustatory]], [[tactition|tactile]], [[proprioception|proprioceptive]], [[equilibrioception|equilibrioceptive]], [[nociception|nociceptive]], and [[thermoception|thermoceptive]].
-== ''The Hollywood Hallucination'' (1944) - Parker Tyler ==+A mild form of hallucination is known as a disturbance, and can occur in any of the senses above. These may be things like seeing movement in [[peripheral vision]], or hearing faint noises and voices.
-10. [[The Hollywood Hallucination]]. [a] New York: Creative Age, 1944. Introduction by Iris Barry. [b] New York: Simon and Schuster, 1970. Introduction by Richard Schickel.+[[Hypnagogic hallucination]]s and [[hypnopompia|hypnopompic hallucination]]s are considered normal phenomena. Hypnagogic hallucinations can occur as one is falling asleep and hypnopompic hallucinations occur when one is waking up. Hallucinations may also be associated with [[Psychoactive drug|drug]] use (particularly [[deliriants]]), [[sleep deprivation]], [[psychosis]], [[neurological disorder]]s, and [[delirium tremens]].
 +== See also ==
 +* [[Apparitional experience]]
 +* [[Closed-eye hallucination]]
 +* [[Dimethyltryptamine]]
 +* [[Focal seizures]]
 +* [[Folie à deux]]
 +* [[Hallucinations in the sane]]
 +* [[Hallucinogen]]
 +* [[Imaginary friend]]
 +* [[Vision (spirituality)]]
 +* [[Microwave auditory effect]]
 +* [[Phantom eye syndrome]]
 +* [[Psychosis]]
 +* [[Simulated reality]]
-The first of [[Parker Tyler]]’s books of imaginative film criticism, derived in part from his View essays. The Hollywood Hallucination introduces Tyler’s critical arabesques, elaborated in his later books, concerning Mae West, Mickey Mouse, the Good Villain and the Bad Hero, and the “somnambules”; and his Duchamp-like preoccupation with the mechanics of the body, especially in the essay “Of Mickey and Monsters,” and in the lyrical closing chapter’s meditations on the eye. An introduction by Henry Miller, commissioned by Tyler but rejected by the publisher, appeared in Miller’s Sunday After the War (Norfolk, Connecticut: New Directions, 1944) as “Original Preface to ‘Hollywood’s Hallucination’” [sic]. Characteristically, Miller’s essay has as little to do with Tyler’s book as his The Time of the Assassins has to do with Rimbaud. --http://www.torriblezone.com/ptbib.html [Aug 2004] 
-== ''Hallucination Engine'' () - Material ==+==Namesakes ==
 +*''[[The Hollywood Hallucination]]'' ([[1944]]) [[Parker Tyler]]
 +*''[[Hallucination Engine]]'' ([[1994]]) - Material
 +{{GFDL}}

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A hallucination in the broadest sense is a perception in the absence of a stimulus. In a stricter sense, hallucinations are defined as perceptions in a conscious and awake state in the absence of external stimuli and that have qualities of real perception in that they are vivid, substantial, and located in external objective space. These definitions distinguish hallucinations from the related phenomena of dreaming (no consciousness), illusion (distorted or misinterpreted real perception), imagery (does not mimic real perception and is under voluntary control), and pseudohallucination (does not mimick real perception, but is not under voluntary control).

Hallucinations also differ from "delusional perceptions", in which a correctly sensed and interpreted genuine perception is given some additional (and typically bizarre) significance.

Hallucinations may occur in any sensory modality—visual, auditory, olfactory, gustatory, tactile, proprioceptive, equilibrioceptive, nociceptive, and thermoceptive.

A mild form of hallucination is known as a disturbance, and can occur in any of the senses above. These may be things like seeing movement in peripheral vision, or hearing faint noises and voices.

Hypnagogic hallucinations and hypnopompic hallucinations are considered normal phenomena. Hypnagogic hallucinations can occur as one is falling asleep and hypnopompic hallucinations occur when one is waking up. Hallucinations may also be associated with drug use (particularly deliriants), sleep deprivation, psychosis, neurological disorders, and delirium tremens.

See also


Namesakes




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