Inclusion Criteria:  Aged 18-45 Female Mild to moderate depression (determined by BDI-II scores of 14-19 and 20-28, respectively) If taking antidepressants, medication must be stable ≥ 30 days prior to screening  Exclusion Criteria:  Wide-Range Achievement Test-Fourth Edition (WRAT-4) Reading Subtest standard score <85 (to ensure understanding of test procedures) Insufficient visual and motor ability to operate the intervention and assessments as judged by treating neurologist or study staff Primary psychiatric disorder other than depression (based on MINI) Primary neurologic condition that would prevent ability to participate (as determined by study clinician). History of head trauma in the last year Medical device implants in the head or neck History or current uncontrolled seizure disorder Current substance abuse disorder . Pregnant or lactating women Skin disorder/sensitive skin near stimulation locations