PMID: 7034135Sep 1, 1981Paper

On a case of aphasia with thalamic lesion (author's transl)

Rivista di patologia nervosa e mentale
G Marconi, A Vannini

Abstract

The possibility of aphasic disorder caused by thalamic lesions has been supported by anatomo-clinical findings, stereotaxic surgery and more recently by radiological investigations with new techniques, i.e. ct and brain scan. A case of thalamic aphasia investigated with these techniques and the Luria's neuropsychological test is reported in this paper. The case concerns a 50 years old woman who developed a sudden right hemiplegia with marked motor aphasia. C.T. and radioisotope brain scan revealed a left capsular haemorrhage with involvement of thalamic structures. Later, when this patient's aphasia decreased, Luria's test showed reduction of spontaneous speech, anomia, paraphasic and disarthric disorder, distractibility without impairment of comprehension and repitition. These findings are similar to those reported by some AA. in left thalamic lesions and similar to aphasic syndromes caused by cortical lesions. Another important observation was the presence of widespread cortical functional disorder involving the left fronto-temporo-parietal region without evidence of cortical anatomical alteration. The above data and those reported in the literature suggest a very close relationship between thalamic structures, other central ...Continue Reading

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