Management of Depression and Social Isolation in Older Adults With Dementia With Home-based Telehealth Delivered Behavioral Activation + Caregiver Facilitation.

Inclusion Criteria: Participant Eligibility Criteria: * able to speak and understand English; * a diagnosis of mild dementia, as determined by a Clinical Dementia Rating interview Sum of Boxes (CDR-SB) score in the mild range as defined by a score of 4.5 - 9.0; * and able to provide informed consent. Caregiver Eligibility Criteria. * Beck Depression Inventory (BDI) score below clinical cutoff for depression and able to provide informed consent. Exclusion Criteria: Participant exclusion criteria: * presence of suicidal ideation with clear intent, * concurrent enrollment in another clinical trial for depression, * substance use disorder. Caregiver exclusion criteria: * Active psychosis or significant dementia at screening; * presence of suicidal ideation with clear intent.