The vagus nerve is a primary carrier of information describing the state of the body to the brain, and transmitting information from the brain back to the body. It's a feedback mechanism Microbiota of the Tongue and Systemic Connections: The Examination of the Tongue as an Integrated Approach in Oral Medicine The Tongue as a Gateway to Voice, Resonance, Style, and Intelligibility What Is Interoception? Neurodivergent Insights