1. Jenike MA: Alzheimer's disease and other dementias, in Geriatric Psychiatry and Psychopharmacology: A Clinical Approach, Chicago, Year Book Medical Publishers, 1989.
2.
2. Albert MS: Assessment of cognitive dysfunction, in Albert MS, Moss MB (eds): Geriatric Neuropsychology, New York, Guilford Press, 1988.
3.
3. Levin BE, Llabre MM, Reisman S, et al: A retrospective analysis of the effects of anticholinergic medication on memory performance in Parkinson's disease. J Neuropsychiatry Clin Neurosciences1991; 3:412–416.
4.
4. Levin BE, Llabre MM, Weiner WJ: Cognitive impairments associated with early Parkinson's disease. Neurology1989; 39:557–561.
5.
5. Brozowski TJ, Brown RM, Goldman P: Cognitive deficit caused by regional depletion of dopamine in prefrontal cortex of rhesus monkey. Science1979; 205:929–939.
6.
6. Simon H, Scatton B, LeMoal M: Dopaminergic A10 neurons are involved in cognitive functions. Nature1980; 286:150–151.