Article Information
- Received August 3, 1999
- Accepted August 4, 1999
- First published November 1, 1999.
- Version of record published November 1, 1999.
Author Information
Author contributions
Disclosures
- Received August 3, 1999.
- Accepted August 4, 1999.
This work was supported by the National Institute on Drug Abuse (NIDA) (Grants R01DA11277, R02DA02925, and R21DA09620), the National Alliance for Research on Schizophrenia and Depression, and the United States Veterans Affairs and VISN22 Mental Illness Research, Education, and Clinical Center. S.C.D. was supported by a minority supplement from NIDA (R02DA02925). M.A.G. holds an equity interest in San Diego Instruments, Inc. We thank Dr. Lisa Gold for advice regarding behavioral tests, Dr. Athina Markou for helpful comments on this manuscript, and both Jennifer Larson and Elizabeth Lutz for technical assistance.
Correspondence should be addressed to Dr. Mark A. Geyer, Department of Psychiatry 0804, University of California at San Diego, 9500 Gilman Drive, La Jolla, CA 92093-0804. E-mail: mgeyer{at}ucsd.edu.