NeuroSigma is a life sciences company developing bioelectronic technologies. It offers TNS neuromodulation therapies for a variety of neurological and neuropsychiatric disorders. The company focuses on therapies for epilepsy, depression, attention deficit hyperactivity disorder (ADHD), post-traumatic stress disorder (PTSD), Lennox-Gastaut Syndrome (LGS), and traumatic brain injury (TBI).