The patients will be randomized into 1 of 4 groups: active tDCS plus real CT, active tDCS plus placebo CT, sham tDCS plus real CT, sham tDCS plus placebo CT. Each group will receive treatment for 30 minutes a day, 3 days a week for 8 weeks.
Age
60–90
Sex
ALL
Healthy volunteers
Not accepted
You may be eligible if
Male or female age 60-90 years
Patients diagnosed with Alzheimer's Disease, according to the DSM-IV (Diagnostic and Statistical Manual of Mental Disorders) and NINCDS-ADRDA (National Institute for Communicative Disorders and Stroke - Alzheimer's Disease and Related Disorders Association) criteria
Score between 18 and 26 on the Mini Mental State Examination
Have a CDR (Clinical Dementia Rating) of 1.0
If medicated for AD, then use of cholinesterase inhibitors, for at least 3 months and on stable dose for at least 60 days prior to screening.
You may not be if
Pre-existing structural brain abnormalities,
Other neurologic or psychiatric diagnoses
Transcranial direct current stimulation criteria: patients with implanted metallic or electronic devices; pacemaker; seizures; pregnancy; any other condition that might limit or interfere in the sensorimotor system