Speech is a cortical function that includes virtual, mobile and sensory part for the understanding and the expression of spoken and written word. This study shows the Greek adaptation of the diagnostic tool «Examining for aphasia» or EFA -4. In dementia and especially in Alzheimer’s disease–AD, the speech disorders are among the main diagnostic feature, along with the impairment of memory. How, however, will we recognize Dementia and separate it from the early stage of Mild Cognitive Impairment- MCI according to speech disorders?The diagnostic tool EFA-4 is a regulatory, reliable and valid measure of the speech disorders. The test was administered to 50 normal elders, 50 patients with AD and 31 patients with MCI. The sample selection, although it had a uniform age, was regardless of origin, marital status and socioeconomic status. According to the results of the research, the EFA-4 is perceived to be particularly useful in the setting of language deficits of the patients with AD, who participated in the survey.Specifically, the cut offs showed that the average of the EFA-4 for the normal range ranged from 74,5 – 74,8. Moreover the cut offs showed that the average of EFA-4 for patients with AD ranges from 36.8-46.1 and for patients with MCI ranges from 62.2 - 66.7
