Nexalin Therapy for the Treatment of Depressive Symptoms

Inclusion Criteria: * Diagnosed with mild to moderate depression episode, based on the HAM-D21 Rating Scale (10-13 = mild; 14-17 = mild to moderate) * Diagnosed with mild to moderate depression episode based on ICD-10 Diagnostic Guidelines * Is willing and able to spend 4 weeks as a hospital inpatient * Is willing and able to return to the clinic during follow-up period Exclusion Criteria: * A HAM-D21 Rating Scale of \<10 or \>17 * Diagnosed outside of mild to moderate depression episode range based on the ICD-10 Diagnostic Guidelines * Unable to complete wash-out interval without taking antidepressants or psychotropic medications * Is pregnant or may be pregnant * Sensitivity to electrodes and/or their conductive gels or adhesives * Break in skin integrity at the areas of electrode placement * Currently taking immune suppressing drugs or suspected use of narcotics * Presence of any implanted electronic devices, cardiac stimulator, or pacemaker * History of brain injury, including seizures, epilepsy, stroke, tumor of central nervous system, or hydrocephalus * History of heart attacks, congestive heart failure, or uncontrolled hypertension * History of schizophrenia or manic-depressive syndrome