UNIVERSITY OF WISCONSIN River Falls
Litter of pups assigned to an experiment focusing on the effects of environmental enrichment and two chemical compounds on spatial memory and self-control
Typically, rats in the department's animal colony are maintained in group cages
The above photograph depicts an exception to this practice for purposes of research
Four cagemates who happen to be sisters
Animals assigned to an enriched-rearing condition
Tom Hassett—a reflective student with a talent for experimental design—
implements a variety of conditioning procedures in the lab
Radial Arm Maze
Rat's performance in the radial arm maze is used to assess its spatial memory
This Med Associates interface enables a computer to control devices
such as cue lamps and feeders in each of several operant chambers
Rat displays self-control by choosing a stimulus correlated with a large amount of food
after a long delay—as opposed to one correlated with a small amount of food after a short delay
Poster presented at eighty-first annual meeting of Midwestern Psychological Association: