Cognitive Training and Brain Stimulation in Women With Post-chemotherapy Cognitive Impairment

This trial is studying whether combining computerized brain training exercises with a mild form of noninvasive brain stimulation (called tDCS, which sends a tiny electrical current through the scalp) can help women who experience memory and thinking problems after breast cancer chemotherapy — commonly called "chemo brain." **You may be eligible if...** - You received chemotherapy for breast cancer at least 6 months ago - You have noticed problems with your memory or concentration since treatment - You are between 18 and 65 years old - You are right-handed **You may NOT be eligible if...** - You had dementia before your cancer treatment - You have epilepsy or a history of seizures - You have a moderate-to-severe psychiatric disorder or substance use problem - You have a reason you cannot receive brain stimulation (e.g., metal implants in or near the head) Talk to your doctor to see if this trial is right for you.