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A model of speech motor control based on state feedback control (SFC). In the model, articulatory controls sent to the vocal tract from M1 are based on an estimate of the current vocal tract state (orange arrows) that is maintained by an interaction between vPMC and the sensory cortices. In this interaction, feedback predictions (green arrows) are compared with incoming feedback (black arrows), generating corrections to the state estimate (red arrows). See text for details.
