The incidence of aphasia and global aphasia in left brain-damaged patients.
Two hundred and twenty three right-handed patients consecutively admitted to the wards in a 21-month period for a left-sided cerebrovascular disease were examined 15 to 30 days after the stroke for the presence of aphasia. Twenty-seven of them could not be assessed. Of the remaining 196, 108 (55.1%) were aphasic. The incidence of global aphasia (43%) in the latter group was higher than in previous studies. Based on CT-scan data it was associated in 32% of patients with a deep lesion and only in 53% with an antero-posterior cortical-subcortical lesion, contrary to what is traditionally assumed. There was no sex difference in the incidence and distribution of aphasia.
D000208:Acute Disease; D001037:Aphasia / Q000209:etiology* / Q000473:pathology; D002540:Cerebral Cortex / Q000473:pathology; D002561:Cerebrovascular Disorders / Q000150:complications* / Q000473:pathology; D004292:Dominance, Cerebral; D005260:Female; D007839:Functional Laterality; D006801:Humans; D008297:Male; D012737:Sex Factors