Biofeedback occurs when a student, patient, or performer receives objective information about the accuracy of his or her performance with the aim of reviewing and improving performance. In human communication, this objective information may be analyzed visually, acoustically, or electrically and is frequently obtained and analyzed through a digital system such as a computer program or tablet application. Biofeedback is usually provided directly to the learner, although that person may require training and ongoing assistance to set up the equipment and interpret the results.

The research literature suggests that biofeedback is most effective in learning voice and articulation skills although treatment of both nasal resonance and fluency disorders has been reported. This entry discusses biofeedback in human communication, including clinical examples, the technologies to provide biofeedback, ...

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