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July2004 Vol.41 Issue:        2        Table of Contents
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Speech elicited mismatch negativity in patients with aphasia

Wael Fadel1, Enaas Kolkaila2, Afaf Emara2

 

Departments of Neurology & Psychiatry1, Audiology Unit2, Tanta University



ABSTRACT

Thirty four aphasic patients were included in this study. They were classified into three subgroups; expressive, receptive and mixed. The control group included also 34 subjects with matched age and gender. Event-related potential (Mismatch Negativity test) was elicited using Arabic speech stimuli. Results showed that speech processing at cortical levels was impaired in aphasics. Furthermore, aphasic patients of different types differed significantly from the control group in all the parameters of the MMN test. The results pointed to the importance of using speech elicited MMN in the follow up of aphasic patients.

(Egypt J. Neurol. Psychiat. Neurosurg., 2004, 41(2): 521-530).

 





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