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Eye patching biases spatial attention after thalamic hemorrhage in a patient without spatial neglect
BARRETT AM; CRUCIAN GP; HEILMAN KM
ARCH PHYS MED REHABIL , 2004, vol. 85, n° 6, p. 1017-1020 Doc n°: 114139 Localisation : Documentation IRR Descripteurs : AD911 - NEGLIGENCE VISUELLE
Article consultable sur : http://www.archives-pmr.org
Monocular patching has been advocated as a treatment for spatial neglect. Eye patching, however, is also reported to increase spatial bias. Thus, patching brain injury patients for ocular conditions may also impair their attention. To learn if an eye patch may induce asymmetric attention in a patient without spatial neglect. We tested a woman with diplopia after a left thalamic-intraventricular hemorrhage. She had no spatial neglect on bedside attention tasks. Using a laser pointer, she bisected a blank space at near (279mm) and far (914mm) distances under 3 conditions: unpatched and wearing a right or left eye patch. Unpatched, she showed no bias. She erred further leftward with right patching at both distances. Right eye patching appeared to induce neglect of right space when the patient performed this task. Langue : ANGLAIS |
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