Sensor prototype for checkerboard visual evoked potentials
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In this project the development of a sampling system of encephalographic signals stimulated by visual evoked potentials is disclosed. Through the design and construction of an analog sensor, the reading, amplification and filtering of encephalographic signals captured by dry electrodes is proposed. These signals are processed and taken to digital values to be sampled and analyzed by statistical techniques that allow the signal variations to be recognized and standardized against stimuli of visual evoked potentials presented at different frequencies. This system is proposed as a support system for the interpretation of data that may indicate neurodegenerative diseases with which psychologists and psychiatrists can work and diagnose patients.