Video Echoic Behavior ABA Training Video The Echoic is a form of verbal behavior where the speaker repeats the same sound or word that was said by another person, like an echo. This clip demonstrates examples of echoic behavior across situations. Infants and children absorb vast amounts of information through the imitation of others. When they imitate vocally, we call this echoic behavior. In typically developing infants and children vocal imitation skills emerge early in development and occur naturally.