Oculoparalytic illusion

Visual-field dependent spatial mislocalizations by humans partially paralyzed with curare

Leonard Matin, Evan Picoult, John K. Stevens, McIver W. Edwards, David Young, Rodger David MacArthur

Research output: Contribution to journalArticle

134 Citations (Scopus)

Abstract

In darkness, observers partially paralyzed with curare make large (> 20 degrees) gaze- and dosage-dependent errors in visually localizing eye-level-horizontal and median planes, in matching the location of a sound to a light, and in pointing at a light. In illuminated, structured visual fields visual localization and pointing are accurate but errors in auditory-to-visual matches remain. Defects in extraretinal eye position information are responsible for all errors. The influence of extraretinal eye position information on visual localization is suppressed by a structured visual field but is crucial both in darkness and for intersensory localization if visual capture is prevented.

Original languageEnglish (US)
Pages (from-to)198-201
Number of pages4
JournalScience
Volume216
Issue number4542
DOIs
StatePublished - Jan 1 1982
Externally publishedYes

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Curare
Visual Fields
Darkness
Light

ASJC Scopus subject areas

  • General

Cite this

Oculoparalytic illusion : Visual-field dependent spatial mislocalizations by humans partially paralyzed with curare. / Matin, Leonard; Picoult, Evan; Stevens, John K.; Edwards, McIver W.; Young, David; MacArthur, Rodger David.

In: Science, Vol. 216, No. 4542, 01.01.1982, p. 198-201.

Research output: Contribution to journalArticle

Matin, Leonard ; Picoult, Evan ; Stevens, John K. ; Edwards, McIver W. ; Young, David ; MacArthur, Rodger David. / Oculoparalytic illusion : Visual-field dependent spatial mislocalizations by humans partially paralyzed with curare. In: Science. 1982 ; Vol. 216, No. 4542. pp. 198-201.
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