The Relationship between Age of Language Acquisition and Lexical Richness in Aphasic Azari and Persian Bilinguals

Elnaz Roohi, Behrooz Azabdaftari, Hassan Ashayeri

Abstract


Areas of science focusing on neurolinguistic structures underlying language representation and control are very intricate and knowledge in these areas is still preliminary. In the present study, the researchers aimed at studying possible relationships between age of L2 acquisition and L1 and L2 lexical richness in aphasic Azari and Persian bilinguals. Ten right-handed bilingual (Azari: L1 – Persian: L2) female patients who were diagnosed with Broca’s aphasia and were in the age range of 30 and 70 years were selected for the present study. Azari and Persian versions of the Bilingual Aphasia Test (BAT) were used for neurolinguistic assessments of the patients once at the time of onset of aphasia and also three weeks after the onset of aphasia. According to the results, no significant difference was found between age of language acquisition and L1 and L2 lexical richness after the onset of aphasia and also three weeks after the onset of aphasia (p> 0.005).Thus, age of language acquisition probably does not have any effects on degrees of impairments as well as improvements observed in L1 and L2 lexical richness in Azari and Persian bilinguals. However, further larger studies are suggested.


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