Schiffman H R, Lore R, 1975, "Depth perception in the rat (Rattus Norvegicus): prepotency of three-dimensional over two-dimensional surfaces" Perception 4(1) 73 – 77
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Depth perception in the rat (Rattus Norvegicus): prepotency of three-dimensional over two-dimensional surfaces
Harvey R Schiffman, Richard Lore
Received 19 February 1975
Abstract. The descent behavior to two- and three-dimensional surfaces in a depth situation was measured and compared for 45 - 50-days-old hooded rats. When depth differences between surfaces were controlled, significantly more descents were made to three-dimensional than to the two-dimensional surface. The results suggest that a three-dimensional surface -- more representative of an animal's natural terrain -- provides a more informative environment for motion parallax than does a two-dimensional one.
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