A tongue location monitoring system, including, one or more position circuits that respond to transmissions from a transceiver, a transceiver that transmits to the one or more position circuits, a control circuit coupled to the transceiver: wherein the control circuit determines the location of a person's tongue based on the responses of the position circuits； and wherein either the transceiver or the position circuits are implanted in the muscle of the person's tongue or placed on the tongue, and the latter is placed outside the person's head.
