The Short-term Effects of Noninvasive Electrical Brain Stimulation on Dual Tasking in Older Adults

Inclusion Criteria: "Faller" group * Aged 65 years and older * Able to read, write and communicate in English * Self-report of 2 or more falls within the past 6 months "Non-Faller" Group * Aged 65 years and older * Able to read, write, and communicate in English * Self-report of 1 or no (zero) falls within the past 6 months Exclusion Criteria: * Self-reported diagnosis of Parkinson's disease, Alzheimer's disease or dementia, multiple sclerosis, history of stroke or other neurodegenerative disorder. * Self-reported active cancer for which chemo-/radiation therapy is being received. * Hospitalization within the past 3 months due to acute illness or as a result of a musculoskeletal injury significantly affecting gait and balance. * Montreal Cognitive Assessment score \<18, or insufficient understanding of study procedures following review of the Informed Consent Form. Understanding will be assessed by asking the participant to answer the following three questions: 1) What is the purpose of this study? 2) What are the risks of study involvement? 3) If you decide to participate, are you allowed to withdraw from the study at any time? Answers will be recorded by study personnel on the "Assessment of Protocol Understanding" form (see attached). Insufficient understanding will be defined by one or more incorrect answers, as determined at the discretion of the investigator. * Inability to stand or ambulate unassisted for at least 25 feet. * Contraindications to tDCS, including a…