Inclusion Criteria:  Individuals ages 60 and older with established diagnosis of Alzheimer's Disease as defined by the current consensus criteria for AD (Albert et al, 2011, Jack et al, 2011; McKhann et al, 2011) Fluent and literate in English language Able to consent for themselves based upon the MacArthur Competence Assessment Tool for Clinical Research Patients with a pre-existing positive A(beta)-PET and/or CSF tau/A(beta) markers or willingness to undergo a Lumbar Puncture (LP) with these results  Exclusion Criteria:  Not fluent and literate in English Severe dementia Other medical conditions/neurodegenerative disease that could significantly impair cognitive abilities Cardiac pacemakers or any other implants that may not be compatible with MRI Cognitively impaired to the point the patient is unable to consent for themselves Claustrophobic to the point that medication is required