Volume 10, Issue 3 (May & June 2019)                   BCN 2019, 10(3): 199-208 | Back to browse issues page

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Shiani A, Joghataei M T, Ashayeri H, Kamali M, Razavi M R, Yadegari F. Comprehension of Complex Sentences in the Persian-Speaking Patients With Aphasia. BCN. 2019; 10 (3) :199-208
URL: http://bcn.iums.ac.ir/article-1-841-en.html
1- Department of Radiology, Faculty of Allied Medical Sciences, Kermanshah University of Medical Sciences, Kermanshah, Iran.
2- Cellular and Molecular Research Center, Department of Anatomy, School of Medicine, Iran University of Medical Sciences, Tehran, Iran.
3- Department of Psychiatry, School of Medicine, Iran University of Medical Sciences, Tehran, Iran.
4- Department of Basic Rehabilitation Sciences, School of Rehabilitation Sciences, Iran University of Medical Sciences, Tehran, Iran.
5- Academy of Persian Language and Literature, Tehran, Iran.
6- Department of Speech Therapy, University of Social Welfare and Rehabilitation Sciences, Tehran, Iran.

Introduction: To study sentence comprehension in Persian-speaking Patients with Aphasia considering the factors of complexity.
Methods: In this cross-sectional study, the performance of 6 non-fluent aphasic patients were tested and their performance was compared to 15 matched control group. Comprehension of semantically reversible sentences was assessed using a binary sentence-picture matching task. The stimuli were as follows: clefts; subject clefts and object clefts, also relative clauses; subject relatives and object relatives. All of them were types of movement-derived structures and also simple declarative sentences as the control task.
Results: The best performance of aphasic patients were seen in the comprehension of subject clefts, although prior to this result we assumed that simple declarative sentences (in which there is no structural factor of complexity) can be understood easily. They showed the highest difficulty in the comprehension of object relatives. Furthermore, the performance of patients in the comprehension of relative clauses was significantly weaker than understanding the clefts.
Conclusion: The outcomes of this study suggest that the sentence comprehension deficits of aphasic patients, in contrast to the specific deficit models, may not be related to linguistic disabilities. Moreover, the problems in the comprehension of non-canonical sentences may be related to failure in the allocation of attention. Finally, our results support the claims that neural characterization of the cognitive resources (e.g. working memory) is disrupted in sentence comprehension deficits. 

Type of Study: Original | Subject: Behavioral Neuroscience
Received: 2016/10/3 | Accepted: 2018/04/30

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