Journal
BRAIN AND LANGUAGE
Volume 76, Issue 3, Pages 317-331Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1006/brln.2000.2425
Keywords
conduction aphasia; localization; anatomy; heterogeneity
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Fifteen cases of conduction aphasia which were tested with the Aachen Aphasia Test (AAT), are presented. The CT lesion data were transformed to a standard 3D-reference brain referring to the ACPC line. According to the lesion profiles a group of 6 patients had pure suprasylvian lesions, a group of 4 patients had pure infrasylvian lesions, and a group of 5 patients had lesions in both supra- and infrasylvian regions. Suprasylvian conduction aphasics are superior to infrasylvian conduction aphasics in the token test and in repetition tasks. Infrasylvian conduction aphasics use more stereotypes in spontaneous speech than suprasylvian conduction aphasics. Conduction aphasics with both lesion sites perform less well in tests of naming, writing, and comprehension than the pure types. Thus conduction aphasia is a heterogeneous syndrome anatomically and linguistically. (C) 2001 Academic Press.
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