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Neuropsychologia. 1994 Apr;32(4):493-501.

Intrahemispheric localization of drawing dysfunction.

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  • 1Neurological Institute, New York, NY 10032.


We evaluated drawing disability in 37 patients with right hemispheric stroke and in eight controls with no brain disease. Blinded evaluations included measures of overall recognizability and hemineglect. By mapping the CT lesions of patients, we found that damage to parieto-occipital cortex in poor drawers correlated with poor performance on a line bisection task whereas frontal, subcortical damage in poor drawers did not. We propose that drawing disability may be produced by visual-spatial dysfunction in patients with posterior lesions and by a disturbance of integrated motor function in those with frontal, subcortical damage.

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