Treatment
Electromyographical biofeedback or myofeedback could provide patients who suffer from central facial palsy the ability to create myo-electrical potentials that they will interpret. This method allows patients to receive information about muscle contraction that is normally subliminal. Electromyographical biofeedback enables the patient to regain control of muscles that are involved in facial expression that have been atrophied. Brener’s model was one of the fist models to describe the circuitry of the role of feedback for voluntary control of physiological processes. His method allows images of feedback that can produce effects on the voluntary control of motor responses, it involves two central systems: an effector mechanism and feedback loops. There are central systems that are the central sensory integration system and the central motor system. The interaction of both of these systems enables the central motor pathways and a central feedback loop that will determine the activity of the effector system when it is innervated by the motor nerve (figure 1).
From this pathway, self instruction will move in a pattern that is called a “response image”. This response is often the actual movement of the directed response. Therefore, by knowing the loop, it allows full or dysfunctional proprioceptive feedback and exteroceptive control of the movement that is necessary in facial muscles.
Read more about this topic: Central Facial Palsy
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