Neuropsychology of Alzheimer's disease.

This analysis is centered on the study of cognitive disorders in Alzheimer' s Disease (AD), mainly for major neuropsychological functions. We insist on the heterogeneity of the clinical picture especially in the early stages o f the illness, when deficits of episodic memory and executive functions are prevalent We consider that studying early stages of the illness is necessa ry to delineate the diagnostic signs, to validate the new therapeutic exper iments, to predict stages of decline.