Motif Neurotech: $18.75M for depression implant. DOT microstimulator: Compact, battery-free, inspired by magnetic therapy. Motif envisions a speedy, minimally invasive 20-min installation for depression. In a groundbreaking development, biotech startup Motif Neurotech is pioneering a brain implant designed to offer hope to individuals suffering from treatment-resistant depression. Originally conceived as a research project at Rice University, Motif Neurotech has secured