Kinesiology 3480A/B Lecture Notes - Lecture 9: Visual Agnosia, Binocular Rivalry, Autostereogram

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The organism is actively monitoring its movement in an environment. Using its sensory systems to monitor ongoing movements to determine if that movement is in line with its goals. Information is continually going back to reference mechanism- what your goal is in movement. Feedback is used to ensure you will have an accurate response. Closed loop control is about interaction between ascending and descending commands. Feedback systems can be characterized by their gain. Low gain = minimal attenuation of online error, error reduction occurs slowly (smooth movements) Can"t detect with the eye, looks natural, how you operate in day to day activity (reaching for coffee cup) Someone adept at a skill, not using cognition to do action. High gain = vigorous online error attenuation, unstable level of gain due to phase leg. In this gain, error is corrected rapidly (can often produce jerky or oscillating movements)

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