Wednesday, February 29, 2012

Probing Pooch Paw Preferences

Dogs were used to elaborate two instrumental reactions flexing the left or right forepaw respectively to pull a dish of food within reach of its mouth. If both paws were simultaneously fixed to levers, dog was faced with a choice between two reactions. In preliminary trials right paw preference was strong despite equal effectiveness of the left paw in obtaining the food. The aim of the experiment was to alter this right paw preference by forcing the use of the left paw. more

No comments: