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Behavioural Neurology
Volume 3, Issue 2, Pages 65-75
http://dx.doi.org/10.3233/BEN-1990-3201

Disconnection Syndrome and Verbal, Spatial and Tactile Amnesia following a Tumor of the Splenium of the Corpus Callosum

Marina Scarpa1,2 and Paolo Sorgato1

1Neurological Department of Modena University, Italy
2Neurological Department, University of Modena, Policlinico Universitario, Largo del Pozzo 7141100 Modena, Italy

Copyright © 1990 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

A patient with a severe amnesic syndrome following a glioma of the splenium of the corpus callosum is reported. The long-term memory deficit involved anterograde as well as retrograde events dating back to 40 years and causing topographical disorientation. Short-term memory test performance was in the normal range, with the exception of tactile memory which was severely impaired. The patient also showed disconnection symptoms, due to severing of occipito-parietal and parieto-temporal connections, while parieto-parietal connections were undamaged.