Medial Frontal Cortex Mediates Perceptual Attentional Set Shifting in the Rat

This work was supported by The Wellcome Trust (Project Grant 051945/Z/97/Z). J.B. received a Biotechnology and Biological Sciences Research Council (UK) studentship. We thank the animal care staff of the School of Psychology Animal House; Andrew Blackwell, Dr. Janice Phillips, and William Robb for assistance during the development of the behavioral task; and Dr. Angela C. Roberts for helpful discussion.

Correspondence should be addressed to Dr. Verity J. Brown, School of Psychology, University of St. Andrews, St. Andrews KY16 9JU, Scotland, UK. E-mail: vjb{at}st-and.ac.uk.