The purpose of this paper is to demonstrate that rats can rapidly learn to locate an object that
they can never see, hear, or smell provided it remains in a fixed spatial location relative to
distal room cues. Four groups of rats were permitted to escape from opaque water onto a
platform which was either just above or just below the water surface, and in either a fixed or
varied location. Learning occurred rapidly except for the group for whom the escape platform
was below the water surface and moved about from place to place. Transfer tests revealed …