Meets diagnostic criteria for primary progressive aphasia (PPA)
Meets diagnostic criteria for logopenic variant PPA
Attains score of 15 or higher on the Mini-Mental State Examination
Has adequate hearing and vision (with hearing or vision aids, if needed)
Is able to travel to research site and undergo MRI brain scan
Has access to high speed internet and basic experience using a computer and the internet
Is a fluent speaker of English
Has a study partner who can co-enroll in the study, attend pre-treatment training at the research site, and be present for teleconference meetings, as needed
You may not be if
Speech and language deficits better accounted for by another neurological disorder
Does not meet diagnostic criteria for logopenic variant PPA
Scores less than 15 on the Mini-Mental State Examination
Does not have a study partner who can co-enroll in the study
Has contraindications for tDCS or MRI scan (History of seizures, head injury, craniotomy, skull surgery or fracture; History of severe or frequent migraines; Metallic implant in head or any metal in head; Pacemaker or cardioverter-defibrillator or any other stimulator; Chronic skin problems; Pregnancy)
Has a history of stroke, epilepsy, or significant brain injury