Linguistic deficits and disorders are among the most significant properties observed in Alzheimer's patients. Pragmatic domain is the major linguistic area affected by the disease. Furthermore, Alzheimer's patients are confronted with lots of problems in the interpretation of figurative and non-literal language. In this research, the abilities of 5 Alzheimer's patients in the comprehension of Persian proverbs have been compared to 10 monolingual education-and- age- matched control via Oral Explanation and Force Choice Tasks. The results of the research indicated the poor performance of Alzheimer's patients compared to the healthy individuals. The poor performance of Alzheimer's patients in MMSE and the relationships between subjects' performance in the cognitive tasks of clock Drawing and Stroop Color Task with Proverb Comprehension Task , along with patients' inclination to interpret proverbs literally corroborated that a number of deficits in the cognitive processing domain culminated in the poor performance of patients in proverb comprehension.
 
 

Keywords: Key words: Alzheimer, Executive function, Stroop Color Task

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