1. Department of Neurological Sciences; Rush University Medical Center; Chicago Illinois
2. Division of Nutritional Sciences; Cornell University; Ithaca New York 14853
3. Department of Psychology; Cornell University; Ithaca New York 14853
4. Center for Dementia Research; Nathan Kline Institute; Orangeburg NY 10962
5. Department of Psychiatry; New York University Langone Medical Center; New York New York 10016
6. Department of Physiology & Neuroscience; New York University Langone Medical Center; New York New York 10016