Dr. Catherine Clinton ND on Instagram: "OUR QUANTUM HEART PT 2 In 2021, nexus glia was discovered in the heart. These unique neurons help regulate the intrinsic cardiac nervous system. Our heart has its own nervous system that responds to signals of safety or danger from within us or in the environment around us. Information processed by the intrinsic cardiac nervous system can influence activity in the fronto-cortical areas and motor cortex, affecting psychological factors, like attention level