Patients receiving the experimental new implant would not need to undergo a complicated surgery. Deposit Photos

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Earlier this week, the United States Food and Drug Administration (FDA) approved a human trial for a blueberry-sized brain implant intended to target treatment-resistant depression. The brain-computer interface (BCI) developed by Houston-based startup Motif Neurotech aims to deliver electrical stimulation to activate parts of the brain’s central executive network that are inactive in people with major depressive disorder.…