1. A software routine stored on a computer readable medium having thereon a video application to facilitate execution of a video presentation on a video screen, comprising: a brain activation routine(s) to facilitate in the video application an activity involving repetitive engagement of at least one of the user's paired body parts timed to at least one of two video timing events on the video screen, said two video timing events occurring near at least two opposing portions of the video screen and apart from a central fixating object on the video screen.