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Left-ear extinction in patients with MRI periventricular lesions
J Pujol1, C Junqué, P Vendrell
1Department of Neurology, Sta Creu i St. Pau Hospital, Autonomous University of Barcelona, Spain.
Neuropsychologia
|January 1, 1991
Abstract:
A dichotic listening test was administered to 22 elderly vascular patients with periventricular white matter changes on magnetic resonance imaging. We found four patients with a moderate-to-severe extent of these changes who showed a pattern of left-ear extinction. These findings suggest that periventricular lesions in patients with vascular risk factors may be associated with a functional disconnection of the interhemispheric auditory pathways.