Laboratory of Neuro Imaging, USC Stevens Neuroimaging and Informatics Institute Yes GAAIN, Global Alzheimer's Association Interactive Network NITRC GAAIN toolset OS Independent The Alzheimer's Association created The Global Alzheimer's Association Interactive Network (GAAIN) to connect Alzheimer’s and dementia researchers and speed discovery by connecting potential collaborators to those sharing data (GAAIN Data Partners). GAAIN's powerful interactive tools allow users to explore data and create cohorts across multiple data sources and run immediate preliminary analysis while upholding the data control, security, and privacy policies of the data owners. These tools are freely accessible to all at A wide and vastly varying range of metadata from nearly 500,000 subjects can be explored using these tools. Attributes include demographics, assessments, health factors, biologicals, imaging and genetics. GAAIN toolset Clinical Neuroinformatics, Domain Independent, Computational Neuroscience, Alzheimer Disease, Dementia, Multi-Infarct, Web Environment, End Users, English, OS Independent, Database, Data, Other Data Resource, Other Information Resource, 5 - Production/Stable/Mature