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Reorganization of verbal memory and language: A case of dissociation

Published online by Cambridge University Press:  01 January 1999

AMANDA G. WOOD ,
MICHAEL M. SALING ,
MARIE F. O'SHEA ,
GRAEME D. JACKSON  and
SAMUEL F. BERKOVIC
AMANDA G. WOOD
Affiliation:
Department of Psychology, University of Melbourne, Australia Department of Neuropsychology, Austin and Repatriation Medical Centre (Austin Campus), Victoria, Australia
MICHAEL M. SALING
Affiliation:
Department of Psychology, University of Melbourne, Australia Department of Neuropsychology, Austin and Repatriation Medical Centre (Austin Campus), Victoria, Australia
MARIE F. O'SHEA
Affiliation:
Department of Psychology, University of Melbourne, Australia Department of Neuropsychology, Austin and Repatriation Medical Centre (Austin Campus), Victoria, Australia
GRAEME D. JACKSON
Affiliation:
Department of Medicine, University of Melbourne, Australia Department of Neurology, Austin and Repatriation Medical Centre (Austin Campus), Victoria, Australia
SAMUEL F. BERKOVIC
Affiliation:
Department of Medicine, University of Melbourne, Australia Department of Neurology, Austin and Repatriation Medical Centre (Austin Campus), Victoria, Australia
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Abstract

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Left-to-right reorganization of verbal memory following early left hemisphere damage has been reported in patients whose expressive language is governed by the right hemisphere. We present a case in which verbal memory performance was intact, despite severe left mesial temporal damage, and despite aphasia on left internal carotid sodium amytal ablation. The distribution and degree of left mesial temporal damage was assessed visually and quantitatively on MRI. These findings raise the possibility that verbal memory may shift to the language-nondominant hemisphere as a result of early left mesial temporal damage. (JINS, 1999, 5, 69–74.)

Keywords

MemoryVerbal learningLanguageCerebral dominanceEpilepsyTemporal lobe
Type
CASE STUDIES
Information
Journal of the International Neuropsychological Society , Volume 5 , Issue 1 , January 1999 , pp. 69 - 74
Copyright
© 1999 The International Neuropsychological Society