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To the Editor.—
In reference to the article "Visuospatial Judgment," by Benton et al in the Archives (35:364-367, 1978), the authors emphasize that defective performance occurred in the right cerebral lesion cohort only in patients with posterior or indeterminate lesions. What percentage of the left cerebral lesions occurred posteriorly or indeterminately? Is it possible that a number of patients with left cerebral lesions placed posteriorly or indeterminately had to be excluded from testing because they were too dysphasic to understand the instructions for the test? This point may partially explain the surprisingly normal results that occurred among the left cerebral cohort.
Bloch SL. Visuospatial Judgment. Arch Neurol. 1979;36(1):59. doi:10.1001/archneur.1979.00500370089029
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