Neurodegenerative Disorders as Proteinopathies: Phenotypic Relationships.- Towards a Molecular Classification of Neurodegenerative Disease.- Racial and Ethnic Influences on the Expression of the Genotype in Neurodegenerative Diseases.- Causes and Consequences of Oxidative Stress in Neurodegenerative Diseases.- Early Onset Familial Alzheimer's Disease: Is a Mutation Predictive of Pathology?.- Identification of Genes that Modify the Age of Onset in a Large Familial Alzheimer's Disease Kindred.- Variable Phenotype of Alzheimer's Disease with Spastic Paraparesis.- Presenilin Mutations: Variations in the Behavioral Phenotype with an Emphasis on the Frontotemporal Dementia Phenotype.- Frontotemporal Dementias: Genotypes and Phenotypes.- Chromosome 17-linked Frontotemporal dementia with Ubiquitin-Positive, Tau-Negative Inclusions.- Variations of the Phenotype in Frontotemporal Dementias.- Phenotype/genotype correlations in Parkinson's disease.