... Juan, San Juan, Argentina, through the binational program CAPG-BA. As part of this financial support, Andre Ferreira got a scholarship to stay six months in San Juan, Argentina, where part of ... Fernando Ferrari, 514, 29075-910, Vitoria-ES, Brazil and 2Institute of Automatics, National University of San Juan, Av. San Martin, 1109-Oeste, 5400, San Juan, ArgentinaEmail: Andre Ferreira ... signal generated by intercalating states of concentra-tion and relaxation of the visual cortex of his brain (visualstimuli). In both cases, the HMIs have proven to be of simple implementation and...