An illustrative example embodiment of a system includes object detecting means for providing an indication of an object in a vicinity of a vehicle； at least one indicator means for providing an indication regarding the detected object to a driver； gaze detecting means for providing an indication of the vehicle driver's gaze； brain activity detecting means for providing an indication of the driver's brain activity； and control means for controlling any indication from the indicator means regarding the detected object based upon an indication from the gaze detecting means and the brain activity detecting means corresponding to an estimation of driver awareness of the detected object.
