Chemotherapy-induced Cognitive and Brain Changes in Older Adults With Breast Cancer

Inclusion Criteria: * Breast cancer patients treated with chemotherapy- Group 1 (experimental group) * Participants must meet the following criteria on screening examination to be eligible to participate in the behavioral +/- imaging components of study * New diagnosis histologically confirmed invasive breast cancer * Treatment plan to include chemotherapy * Female subjects age ≥ 60 years. * Life expectancy ≥ 1 year * Karnofsky Performance Score (KPS) ≥ 80 * Ability to understand and the willingness to sign a written informed consent document. * Non-treated breast cancer patient controls- Group 2 (control group) * Participants must meet the following criteria on screening examination to be eligible to participate in the behavioral +/- imaging components of study: * New diagnosis histologically confirmed invasive breast cancer * Treatment plan does not include chemotherapy * Age ≥ 60 years. * Life expectancy ≥ 1 year * Karnofsky Performance Score (KPS) ≥ 80 * Ability to understand and the willingness to sign a written informed consent document. * Healthy control subjects- Group 3 (control group) * Participants must meet the following criteria on screening examination to be eligible to participate in the behavioral +/- imaging components of study: * Age ≥ 60 years. * Life expectancy ≥ 1 year * Karnofsky Performance Score (KPS) ≥ 80 * Ability to understand and the willingness to sign a written informed consent document. * Participants …