 Lawrence Kubie, another attending conference member and a psychiatrist, noted how repetitive and obsessive behaviors manifesting themselves in neurotics bore a resemblance to the behavior enacted by McCulloch’s ‘reverberating’ loops.Shannon had developed a maze-solving device which attendees of the Macy Conferences likened to a rat.Shannon’s ‘rat’ was designed and programmed to find its marked goal when dropped at any point in a maze by giving it the ability to recall on past experiences, previous paths it had taken around the maze, so as to help it reach its endpoint - which it did repeatedly.