Supra - and Infrasylvian Conduction Aphasia  

Oleh:

Axer, Hubertus ; Keyserlingk, Armgard Grafin v. ; Berks, Georg ; Keyserlingk, Diedrich Graf v.

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Brain and Language (Full Text) vol. 76 no. 3 (2001), page 317-331.
Topik: conduction aphasia; localization; anatomy; heterogeneity
Fulltext: 76_03_Axer.pdf (198.19KB)

Isi artikel

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.

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