الفهرس 
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Abstract
Cognitive decline is a normal process of aging and it should be differentiated from dementia which is a pathological cognitive decline. Dementia is a global public health problem and its early diagnosis can identify people at risk for complications.
Although Arabic is the fourth most commonly spoken language in the world, the availability of standardized neuropsychological tests in Arabic is scarce specially for illiterates and low educated subjects, and so the aim of this study was to validate a cognitive evaluation battery for Egyptian elderly in community dwelling elderly in Cairo, Egypt.
The results showed test re-test reliability to range from adequate to high in most of its tests with r≥ 0.7.
There was statistical significance between DSM IV dementia and all battery tests except digit span forward length, digit span backward length, stimulus cue of confrontation naming and judgment.
Means and standard deviations were calculated for each battery subset, for the whole sample, for low educated group and group with > 9 years education according to three quadrants of MMSE. Significance and post Hoc were calculated between sub groups.
Summary
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There was no statistical significance between groups regards education except lexical fluency and backward digit span.
There was significant co-relation between DSM IV criteria for depression and most tests. Difference didn‘t reach significance in visuospatial copying, digit span length, confrontation naming test, abstraction and judgment.
Overall the battery of the current study showed good ability to differentiate between normal, MCI and dementia people. The study also showed that the battery is valid and reliable to diagnose MCI and dementia and that it has the ability to be applied on illiterates and low educated subjects