Document Type : Original Articles

Author

Assistant Professor of Linguistics, University of Gonabad, Gonabad, Iran

Abstract

Background: Although discourse properties of aphasic patients have been
investigated utilizing microlinguistic as well as macrolinguistic approaches, there
have been only a few studies in the Persian setting which have tried to investigate
discourse properties of these brain-damaged patients. Previous researchers have
concentrated mainly on the two most notorious types of aphasia, namely Broca
and Wernicke. Thus, the coherence properties of transcortical motor patients
have never been given serious consideration by scientists. The current study
aimed to investigate whether and how transcortical aphasia patients differ from
their healthy counterparts in the cohesive properties of their discourse with the
aim of presenting an exhaustive account of the issue and filling the gap existing
in the literature.
Methods: In doing so, via mixed-methods approach, cohesive devices in the
discourse of six transcortical motor aphasics (3 participants of each gender,
mean age, 56.9 years) and 6 healthy non-aphasic controls (3 participants of each
gender, mean age=57.4 years) were compared.
Results: The results corroborate our hypotheses that the discourse of
transcortical aphasics is less cohesive than that of healthy individuals, and they
have lots of challenges in constructing grammatically cohesive devices.
Conclusion: The findings further demonstrate that discourse could be differently
disrupted in diverse forms of aphasia. It is recommended that more research be
conducted on different languages so as to shed more light on the issue, enriching
our understanding of the nature of this disease.

Keywords

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