Image Number D836-1

To measure cognition in rats, ARS scientists used video imaging of a pool to track the route rats took to find a submerged platform (the end point of their swim).  This diagram of the top view of an early trial of a rat fed standard chow shows that the rat was confused in locating the platform. 

Image by Barbara Shukitt-Hale.

640 pixels wide: (d836-1.jpg)