Biofluid Research on Age-Related or Inherited Neurodegeneration

Inclusion Criteria: 1. People with a clinical diagnosis of a neurodegenerative disease including, but not limited to Alzheimer's disease (AD), Parkinson's disease (PD), Parkinson's disease dementia (PDD), dementia with Lewy bodies (DLB), frontotemporal dementia (FTD), amyotrophic lateral sclerosis (ALS), progressive supranuclear palsy (PSP), primary progressive aphasia (PPA), limbic-predominant age-related TDP-43 encephalopathy (LATE), corticobasal syndrome (CBS), posterior cortical atrophy (PCA), primary lateral sclerosis (PLS), primary muscular atrophy (PMA), or individuals with a suspected neurodegenerative dementia and/or movement disorder of unknown etiology will be considered for enrollment 2. Family Members of individuals who meet the criteria of group 1, who are people who may or may not be at risk for a similar neurodegenerative disease, who may or may not be symptomatic, and who may or may not have known or unknown genetic risk. 3. People with no known neurological disease who will provide control data. Exclusion Criteria: 1. Anyone who is under the age of 18. 2. Anyone with a condition or in a situation which, in the investigator's opinion, could confound the study findings or may interfere significantly with a person's participation, including but not limited to neurological, psychological, and other medical conditions (such as cardiac, neurosurgical, infectious conditions).