10.07.2015 Views

BME 4900 Final Report - Biomedical Engineering - University of ...

BME 4900 Final Report - Biomedical Engineering - University of ...

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AbstractThe proposed device is an electronic circuit that mimics the neural networkcontrolling fast eye movements, or saccades.The device will simulate the signalsproduced by each neuronal population during the control <strong>of</strong> a horizontal saccade, andwill allow for observing and recording. It will serve as an extremely valuable teachingtool in the field <strong>of</strong> neural control, since the timing and synchrony <strong>of</strong> signals will beprecisely demonstrated. Furthermore, the device will provide possibilities in the realm<strong>of</strong> diagnosing and properly treating brain injury.<strong>Final</strong>ly, this device could beincorporated into a system for controlling the eye movements <strong>of</strong> a realistic, artificiallyintelligent robot.The FitzHugh-Nagumo model <strong>of</strong> the action potential will be used as a foundationto mimic the signals produced by the neurons in question. This is a proven framework,and will provide a precise empirical model that can be customized according to theproperties <strong>of</strong> a given neuron. The device will be created on printed circuit boards andwill be reasonably priced. This product will be versatile as well as unique, in that acircuit model <strong>of</strong> this neural network has not been built before.

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