Article Information
- Received February 4, 1999
- Revision received April 6, 1999
- Accepted May 4, 1999
- First published July 15, 1999.
- Version of record published July 15, 1999.
Author Information
Author contributions
Disclosures
- Received February 4, 1999.
- Revision received April 6, 1999.
- Accepted May 4, 1999.
This work was supported by National Institute of Child Health and Human Development Grants R01 HD34346 and HD35453 to A.D., and by National Science Foundation Grant EPS-9550487 and matching funds from the state of Kansas to D.M. We thank Camellia Symonowicz for taking such good care of our animals and for help in breeding them, Michelle Michalak and Gabrielle White for technical assistance, and the New England Newborn Screening Program at the University of Massachusetts Medical Center (headed by Donna Johnson) for HPLC analyses of amino acid levels. William Dube and Jason Langlois collaborated with us in pretesting the procedures for the odor discrimination and reversals tests used here.
Correspondence should be addressed to Adele Diamond, Director, Center for Developmental Cognitive Neuroscience, Eunice Kennedy Shriver Center, 200 Trapelo Road, Waltham, MA 02452.