This woman’s brain implant zaps her with electricity when it senses she’s getting depressed

Sarah, a 36-year-old woman living in California, had lived with chronic depression for five years. She felt suicidal multiple times an hour and was unable to make decisions about basic questions like what to eat. Nothing she had tried to treat it, including electroconvulsive therapy, had helped. Then, in June 2020, she had an implant…