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Three-dimensional neglect phenomena following right anterior choroidal artery infarction

Published online by Cambridge University Press:  01 September 1999

ADRIANA KORI  and
DAVID S. GELDMACHER
ADRIANA KORI
Affiliation:
Department of Neurology, Case Western Reserve University School of Medicine
DAVID S. GELDMACHER
Affiliation:
Department of Neurology, Case Western Reserve University School of Medicine University Alzheimer Center, University Hospitals of Cleveland, OH
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Abstract

Neglect in the horizontal and vertical axes of space has been observed after acute right anterior choroidal artery (AChA) lesions. How spatial processing is affected in the radial axis during the acute period following infarction in this region is unknown. We report the case of a 69-year-old man with acute left hemineglect and deficits in 3-dimensional spatial processing following right AChA infarction. His line bisections in 4 spatial conditions, oriented in the 3 primary axes of space, were compared with 6 control participants. The patient's bisections were different from true center and from control performance in all axes. His bisections were to the right, below, and distal to the arithmetic midpoint. This patient's bisection errors show a 3-dimensional neglect pattern following right AChA infarction, supporting the view that processing of all 3 spatial dimensions may be simultaneously disturbed following unilateral right hemisphere lesions. (JINS, 1999, 5, 567–571.)

Keywords

NeglectLine bisectionAnterior choroidal
Type
CASE STUDY
Information
Journal of the International Neuropsychological Society , Volume 5 , Issue 6 , September 1999 , pp. 567 - 571
Copyright
© 1999 The International Neuropsychological Society

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