Follow-up rCBF Distribution in Alzheimer's Disease.
       The effect of Donepezil (Aricept) treatment

         Upper left image shows the AD group (n=27) before treatment.
         Upper right image shows the effect of 18 months Donepezil treatment
         Lower left images shows the difference and the
         lower right image shows a statistical analysis (Student) of the difference
   

         Image courtesy: Siegbert Warkentin, Ass.Prof., Director of
         CBF-laboratory, Neuropsychiatric Clinic and Dept.of Clinical
         Physiology, University hospital MAS, Malmö, Sweden