Music, Social Attention, and Dementia

Inclusion (patients) * Male or female ≥ 55 years of age living with bvFTD; or ≥ 70 years of age living with AD. * Documentation of a bvFTD or AD diagnosis as evidenced by one or more known clinical features. * Written informed consent obtained from subject. Inclusion (caregivers) * Male or female ≥ 55 years of age living without diagnosis of neurological or psychiatric disease. * Individual capable of independent execution of activities of daily living, including personal care and hygiene, dressing, eating, use of a toilet, and mobility. * Written informed consent. Exclusion (patients) * Presence of a condition or abnormality that in the opinion of the Investigator would compromise the safety of the patient or the quality of the data. * community-dwelling individuals not living with bvFTD * community-dwelling individuals with normal cognitive functioning * Individuals living with Alzheimer's disease or related dementias (primary progressive aphasia, semantic variant FTD, Lewy body dementia, vascular dementia, Parkinson's disease, or mixed dementia) * Individuals with a score of 2 or higher on the CDR * Individuals with a history of neuropsychiatric illness that would interfere with performance (e.g., transient psych hx of depression okay, hx of schizophrenia will be excluded) or medicated depression to control symptoms. * Individuals with unstable (e.g., cancer other than basal cell skin) or chronic (e.g., severe diabetes) medical conditions * Individuals with MRI c…