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 Time resolved hemispheric lateralization of audiomotor functional connectivity during covert speech production: Cell Reports Vibration Mechanics PDF) Just Vibrations The Purpose of Sounding Good: The Purpose of Sounding Good Microbiota of the Tongue and Systemic Connections: The Examination of the Tongue as an Integrated Approach in Oral Medicine Application of biomimetic tongue substrate to investigate the role of friction and vibration in sensory texture perception ScienceDirect