Abstract
Verbal fluency is one of the first and most important cognitive functions that deteriorate during the aging process. Verbal fluency is defined as the skill and speed of finding words and finding semantic and phonetic connections between words. One of the most important factors in verbal fluency is bilingualism. Therefore, the current study aimed to investigate the effect of bilingualism on the verbal fluency of the elderly in Iran. A total of 12 normal elderly bilingual (Arabic-Persian) speakers and 12 normal elderly monolingual (Persian) speakers participated in this comparative-analytical study. To assess verbal fluency, two semantic and phonetic fluency tasks were used. Data were analyzed using the Wilcoxon-Mann-Whitney tests. The results obtained from the comparison of phonetic fluency and semantic fluency of native languages of the two groups showed a better performance of monolingual participants in semantic fluency and phonetic fluency tasks in Persian language compared to the Arabic bilingual elderly. No difference was observed in verbal fluency of Persian monolinguals and bilinguals. However, in bilingual elderly participants, faster retrieval was observed in Persian language than in Arabic. This can be considered in assessment and treatment measures for Arabic-Persian bilinguals.
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