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Perceptual Grouping In Two Visually Reliant Species: Humans (Homo Sapiens) And Australian Sea Lions (Neophoca Cinerea), Darren Burke, Paul Everingham, Tracey Rogers, Melinda Hinton, Sophie Hall-Aspland

Faculty of Social Sciences - Papers (Archive)

Kurylo, van Nest, and Knepper (1997 Journal of Comparative Psychology 111 126 - 134) have recently shown that hooded rats are able to judge the global orientation of an array of elements if orientation is signalled by the perceptual-grouping principle of proximity, but not if it is signalled by element alignment. Using a procedure designed to overcome some potential problems with the experiment of Kurylo et al, we found the same distinction in the perceptual processing of Australian sea lions. The sea lions were able to judge the orientation of arrays containing strong proximity and similarity information, but performed at …