1. A robot control system, comprising: a feature and image presenter to: display an image of an object; emphasize potential trackable features of the object; receive a selection of an emphasized feature; and determine an offset from the selected feature as a goal; a classifier to classify a mental response to the emphasized features, and to determine that the mental response corresponds to the selection of a first one of the emphasized features; a visual-servo controller to track the first emphasized feature corresponding to an identified brain signal; and a robot interface to generate control information to effect a robot action based on the first emphasized feature, the visual-servo controller to track the first emphasized feature while the robot action is being effected.