A method and apparatus of the invention allows an operator to identify a specific article of online-content to be reconstructed and displayed, and specify a duration of time to be used when graphically representing what areas of the visual stimuli were actually visible to the user. The invention is a method for retrieving multiple instances of an article of online content from a database of previously recorded content. In yet another invention is a method for reconstructing visual stimuli as originally displayed to a user as one form of composition. Still another invention is a method for reconstructing a field of visual stimuli that could be observed by a user as one form of composition.