Abstract
Overuse of Contractible Copula in Patients with Agrammatic Aphasia
Highlights
Jakobson’s regression hypothesis stated that the last acquired phonological component is the first impaired in aphasia
PWA in our study overused the contractible copula despite it being late acquired in children
Among 19 healthy controls in the data set the contractible copula was employed for only 5% of the verbs
Summary
Jakobson’s regression hypothesis stated that the last acquired phonological component is the first impaired in aphasia. In a study that compared the 14 grammatical morphemes chronologically ordered by Brown (1973) in his longitudinal study of child language acquisition to the morphemes used by people with non-fluent aphasias she reported that in the 5,000-word segments she studied from Howes’ corpus of transcriptions from 8 patients with non-fluent aphasia, fewer of Brown’s morphemes were used among the patients (8/14) than in the children. The patients used a high number of instances of both copula and contractible copula (e.g., It’s, They’re) which Brown reported to be relatively late-learned in children. 1.In spoken discourse, do people with agrammatic aphasia disproportionally produce morphosyntactic elements that are acquired earlier in language development, relative to healthy controls?. 2.Is the variety of morphology produced characteristic of earlier acquired forms?
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