Using Exercise and Electrical Brain Stimulation to Improve Memory in Dementia

Inclusion Criteria: * Males or females ≥50 years of age * DSM-5 criteria for major or mild neurocognitive disorder due to AD or mixed AD/vascular disease * Mild severity of impairment (standardized Mini-Mental State Examination (MMSE) score ≥19) * Read and communicate in English Exclusion Criteria: * Change in cognitive enhancing medications (ChEIs and/or memantine) less than 3 months prior to study screen * Change in anticonvulsants or psychotropic medications less than 1 month prior to study screen * Currently taking benzodiazepines * Presence of metal implants that would preclude safe use of tDCS (e.g. pace-maker) * Significant neurological condition (e.g. epilepsy, Parkinson's disease, multiple sclerosis) * Current psychiatric disorders (e.g. schizophrenia, bipolar disorder, depression, psychosis) or current substance use disorder * Medical contraindications to increasing activity level according to the Canadian Society of Exercise Physiology Questionnaire